30+ Research Intern Interview Questions and Answers for Freshers

The minimum number of steps needed to find the value of an nth order polynomial is n+1.

• To find the value of a 1st order polynomial, we need 2 steps (1 multiplication and 1 addition).

• For an nth order polynomial, we need to compute n 1st order polynomials and perform n-1 additions.

• Therefore, the minimum number of steps is n+1.

• If parallel processing is allowed, we can compute the value of each 1st order polynomial simultaneously, reducing the time taken.

• In this case, the number ...read more

Limited access to physical resources and reduced collaboration opportunities.

• Limited access to physical resources such as laboratories, libraries, and equipment.

• Reduced collaboration opportunities due to remote work and social distancing measures.

• Difficulty in conducting fieldwork or experiments that require in-person interactions.

• Challenges in collecting primary data due to restricted access to research participants or sites.

• Delays in data collection and analysis due to disr...read more

Histogram equalization is a technique to enhance the contrast of an image by redistributing pixel intensities.

• Histogram equalization stretches the histogram of an image to cover the entire range of pixel values.

• It increases the dynamic range of an image, making it visually more appealing.

• It improves the visibility of details in both dark and bright regions of an image.

• Histogram equalization can be used to enhance images with low contrast or uneven lighting conditions.

• For exam...read more

I can link what I have studied so far with this research internship by applying my knowledge and skills in conducting research and analyzing data.

• I have studied research methods and data analysis techniques, which are essential for conducting research in this internship.

• I have gained experience in conducting literature reviews and synthesizing information from various sources, which can be applied to gather relevant research materials.

• I have developed skills in statistical an...read more

The research will be conducted remotely using online resources and virtual communication tools.

• Utilize online databases and libraries for literature review

• Conduct virtual interviews and surveys

• Use video conferencing for team meetings and discussions

• Ensure data security and privacy

• Adapt research methods to accommodate for limitations of remote work

• Consider the impact of pandemic on research outcomes

Perspective distortion is the distortion that occurs when objects appear differently due to the angle of view. It can be corrected using software or adjusting the camera position.

• Perspective distortion happens when objects appear distorted or skewed due to the camera's angle of view.

• It is commonly seen in architectural photography, where buildings may appear to lean or converge.

• To correct perspective distortion, software tools like Adobe Photoshop or Lightroom can be used to ...read more

Biomass constituents include cellulose, hemicellulose, lignin, proteins, lipids, and ash, each with varying utility.

• Cellulose: main structural component, used for biofuel production

• Hemicellulose: provides energy during combustion, used in ethanol production

• Lignin: provides structural support, used in making adhesives and chemicals

• Proteins: can be used as animal feed or in bioplastics

• Lipids: source of energy, used in biodiesel production

• Ash: contains minerals, can be used as f...read more

Welding is a process of joining two or more metal pieces together by melting and fusing them.

• Types of welding include MIG welding, TIG welding, arc welding, spot welding, and gas welding.

• Welding can be used in various industries such as construction, automotive, aerospace, and manufacturing.

• Safety precautions like wearing protective gear and ensuring proper ventilation are important in welding.

Artificial intelligence is the simulation of human intelligence processes by machines, impacting daily life in various ways.

• AI is used in virtual assistants like Siri and Alexa to help with tasks and provide information.

• AI algorithms power recommendation systems on platforms like Netflix and Amazon, suggesting content based on user preferences.

• AI is used in autonomous vehicles to improve safety and efficiency on the roads.

• AI is utilized in healthcare for tasks like medical im...read more

I would consider incorporating machine learning algorithms to enhance the current model.

• Explore using neural networks for more complex patterns

• Implement decision trees for better interpretability

• Utilize ensemble methods like random forests for improved accuracy

Shear stress is zero when bending moment is maximum due to the distribution of forces in the cross-section of the beam.

• Shear stress is the force per unit area acting parallel to the cross-section of the beam.

• Bending moment is the internal moment that causes a beam to bend.

• When the bending moment is maximum, the forces are distributed in a way that results in zero shear stress at that point.

• This is because the shear stress and bending moment are related through the shear force...read more

The different equations of thermodynamics describe the relationships between energy, heat, and work in a system.

• The first law of thermodynamics: ΔU = Q - W, where ΔU is the change in internal energy, Q is heat added to the system, and W is work done by the system.

• The second law of thermodynamics: ΔS ≥ 0, where ΔS is the change in entropy of a closed system.

• The ideal gas law: PV = nRT, where P is pressure, V is volume, n is the number of moles, R is the gas constant, and T is ...read more

IDC stands for International Data Corporation, a global provider of market intelligence, advisory services, and events for the IT industry.

• IDC provides research and analysis on various technology markets such as cloud computing, cybersecurity, and artificial intelligence.

• It offers advisory services to help businesses make informed decisions about technology investments.

• IDC also hosts events and conferences for industry professionals to network and learn about the latest trend...read more

I have used multiple programming languages including Python, Java, and C++.

• Python

• Java

• C++

I am interested in various fields of computer science.

• Artificial Intelligence

• Data Science

• Machine Learning

• Computer Vision

• Natural Language Processing

Sales can be calculated by multiplying the number of units sold with the price per unit.

• Multiply the number of units sold with the price per unit

• Add up the total sales for each product or service

• Consider any discounts or promotions that may affect the final sales figure

I recently solved a case study on analyzing customer behavior for an e-commerce website.

• The case study involved analyzing customer data to identify patterns and trends in their behavior on the website.

• I used various data analysis techniques such as clustering and regression to gain insights into customer behavior.

• Based on my analysis, I recommended several strategies to improve customer engagement and retention on the website.

• One of the key findings was that customers who rec...read more

Qualitative research is exploratory and subjective while quantitative research is numerical and objective.

• Qualitative research is used to gain insights and understanding of underlying reasons, opinions, and motivations.

• Quantitative research is used to quantify data and generalize results from a larger sample population.

• Qualitative research methods include interviews, focus groups, and observation.

• Quantitative research methods include surveys, experiments, and statistical anal...read more

Shear stress is the force per unit area perpendicular to the material's cross-section, while bending moment is the internal moment that causes a beam to bend.

• Shear stress is calculated as force divided by area (τ = F/A)

• Bending moment is calculated as force multiplied by distance (M = F * d)

• Shear stress causes deformation parallel to the force applied, while bending moment causes deformation perpendicular to the force applied

• Shear stress is important in determining the strengt...read more

Market research is the process of gathering and analyzing information about a market, product, or service to make informed business decisions.

• It involves collecting data about customer needs, preferences, and behaviors.

• It helps businesses understand their competition and identify opportunities for growth.

• Market research can be conducted through surveys, focus groups, and data analysis.

• Examples of market research include analyzing sales data, conducting customer satisfaction s...read more

Highlight the features and benefits of the pan to potential customers.

• Emphasize the durability and quality of the pan

• Highlight the non-stick coating for easy cooking and cleaning

• Mention the versatility of the pan for various cooking methods

• Offer a competitive price compared to similar pans in the market

• Provide a warranty or guarantee for customer satisfaction

I am interested in the field of artificial intelligence and machine learning.

• I have a strong background in computer science and mathematics.

• I have completed courses in machine learning and data science.

• I have worked on projects involving natural language processing and computer vision.

Yes, I have knowledge of differential equations.

• I have studied differential equations as part of my academic curriculum.

• I am familiar with solving ordinary and partial differential equations.

• I have practical experience in applying differential equations to model real-world phenomena.

• I can use numerical methods and software tools to solve differential equations.

• I have worked on projects involving differential equations, such as population dynamics or heat transfer.

The UNDP functions as a global development network, providing assistance to countries in achieving sustainable development goals.

• UNDP works with governments, civil society, and the private sector to address development challenges.

• It provides technical expertise, policy advice, and financial support to countries.

• UNDP focuses on areas such as poverty reduction, democratic governance, climate change, and gender equality.

• It promotes sustainable development through projects and in...read more

I have a strong knowledge in metallurgy with a focus on material properties, processing techniques, and applications.

• Studied metallurgy as part of my academic curriculum

• Hands-on experience with metallographic analysis and testing

• Familiar with various types of metals and their properties

• Knowledge of different heat treatment processes for metals

• Understanding of welding and joining techniques in metallurgy

UV, HPLC and IR are analytical techniques used in BCS study.

• UV spectroscopy measures the absorption of light in the ultraviolet region to identify and quantify analytes.

• HPLC separates and quantifies components in a mixture based on their interactions with a stationary phase and a mobile phase.

• IR spectroscopy measures the absorption or transmission of infrared radiation to identify functional groups in a molecule.

• BCS study is a biopharmaceutical classification system used to p...read more

Regression is a statistical method used to analyze the relationship between two or more variables.

• It is used to predict the value of a dependent variable based on the value of one or more independent variables.

• Linear regression is a common type of regression that assumes a linear relationship between the variables.

• Nonlinear regression can be used when the relationship between the variables is not linear.

• Regression can be used in various fields such as finance, economics, and ...read more

Homography is a transformation that maps points in one image to corresponding points in another image.

• Homography is a 3x3 matrix that represents a planar perspective transformation.

• It is used in computer vision to align images, stitch panoramas, and perform image registration.

• Homography can be estimated using feature matching techniques like SIFT or SURF.

• It assumes a projective transformation between two images.

• Example: Homography can be used to remove distortion in images ta...read more

Shear stress is zero when there is no force applied parallel to the surface.

• Shear stress is zero in static fluids, where there is no movement or deformation.

• At the boundaries of a fluid at rest, shear stress is zero.

• In a material with no viscosity, shear stress is zero.

• Shear stress is zero at the center of a pipe with fluid flowing through it.

• In a solid material under pure normal stress, shear stress is zero.

There are three main types of research: exploratory, descriptive, and explanatory.

• Exploratory research: used to gain a general understanding of a topic or problem

• Descriptive research: used to describe characteristics of a population or phenomenon

• Explanatory research: used to test hypotheses and establish cause-and-effect relationships

Primary research involves collecting data directly from original sources.

• Primary research is conducted by the researcher themselves, rather than relying on existing data or information.

• It involves methods such as surveys, interviews, experiments, and observations to gather new and specific data.

• Examples of primary research include conducting focus groups to gather opinions on a new product, or carrying out experiments to test a hypothesis.

• Primary research is time-consuming an...read more

Namespaces are used in programming to organize code and prevent naming conflicts.

• Namespaces help prevent naming conflicts by allowing multiple libraries or modules to define objects with the same name without colliding.

• They make code more readable and maintainable by providing a way to group related code together.

• Namespaces can also help in organizing code into logical units, making it easier to understand and navigate.

• For example, in C++, the 'std' namespace is used to conta...read more

Types of primary research include surveys, interviews, observations, and experiments.

• Surveys involve collecting data from a large group of people through questionnaires or interviews.

• Interviews involve one-on-one conversations with individuals to gather in-depth information.

• Observations involve watching and recording behaviors or events in a natural setting.

• Experiments involve manipulating variables to test hypotheses and determine cause-and-effect relationships.

Design a case study on the impact of social media on mental health in teenagers

• Identify a sample group of teenagers who use social media regularly

• Track their social media usage patterns and behaviors

• Conduct surveys or interviews to assess their mental health and well-being

• Analyze the data to determine any correlations between social media usage and mental health issues

• Draw conclusions and recommendations based on the findings

Developed a machine learning model to predict customer churn for a telecom company

• Used Python and scikit-learn for data preprocessing and model building

• Performed feature engineering to improve model accuracy

• Evaluated model performance using metrics like accuracy, precision, and recall