- Physics Notes for UPSC IAS Prelims (Part I)
- Physics - Home
- Physics - Force and Pressure
- Physics - Friction
- Physics - Some Natural Phenomena
- Physics - Motion
- Physics - Force and Laws of Motion
- Physics - Gravitation
- Physics - Mass and Weight
- Physics - Work and Energy
- Physics - Light
- Physics - Reflection and Refraction
- Images Formed by Spherical Mirrors
- Physics - Refraction of Light
- Physics - Spherical Lenses
- The Human Eye & Colorful World
- Refraction of Light Through a Prism
- Physics - Electricity
- Chemical Effects of Electric Current
- Magnetic Effects of Electric Current
- Physics - Electric Motor
- Physics - Source of Energy
- Physics - Sound Part I
- Physics - Sound Part II
- Speed of Sound in Different Media
- Physics - The Solar System
- Physics - Stars and The Solar System
- Physics Useful Resources
- Physics Part 1 - Online Quiz
- Physics Part 1 - Online Test
- Physics Part 1 - Quick Guide
- Physics - Useful Resources
- Physics - Discussion
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Physics Part 1 Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Physics. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - Consider the following statements:
1. In CFL, mercury vapor and phosphor are used to produce light.
2. In LED, semi-conductor material is used to produce light.
Choose the correct answer from the codes given below:
Answer : C
Explanation
In comparison to LED, CFL is less energy efficient.
Q 2 - When air bubble put in water, it acts like …
Answer : A
Explanation
N/A
Answer : A
Explanation
The concept of inertia is given by Galileo Galilee.
Q 4 - A remote control of TV uses …………. waves to control the TV.
Answer : C
Explanation
N/A
Q 5 - What will happen to the molecules of an object, if you start heating it?
Answer : B
Explanation
N/A
Q 6 - Law of inertia is explained by …
Answer : A
Explanation
Inertia is the tendency of an object to maintain its position i.e. if it is in rest, then remains at rest or if it is in motion, then remains in motion.
Q 7 - If energy transmits in the form of waves or particles is known as …
Answer : C
Explanation
The best example of radiation is electromagnetic radiation.
Q 8 - Creation of something from nothing is against the law of …
Answer : B
Explanation
N/A
Q 9 - Which among the following laws explains the ‘spectrum of blackbody radiation?’
Answer : A
Explanation
Planck explained the spectrum of blackbody radiation, which depends only on the respective object's temperature.
Q 10 - Who had given the ‘Law of Electromagnetic Induction?’
Answer : A
Explanation
It was Michael Faraday who has first given the law of electromagnetic induction.
Answer : A
Explanation
It was Michael Faraday who has first given the law of electrolytic.
Q 12 - Consider the following statements:
1. If a lift is stationary or moving with uniform speed (either upward or downward), the apparent weight of a body is equal to its true weight.
2. If the cord of the lift is broken and it is falling freely, then the weight of a body in the lift becomes zero.
Choose the correct answer from the codes given below:
Answer : C
Explanation
Second statement defines the situation of weightlessness.
Q 13 - Who among the following has discovered Ultra-Violet Rays?
Answer : C
Explanation
Johann Ritter had discovered ultra-violet rays in 1801.
Q 14 - Who among the following first predicted that a communication satellite should be stationary in the geosynchronous orbit?
Answer : A
Explanation
It was Arthur C Clarck who first observed this fact.
Q 15 - Consider the following statements:
1. If density of a body is equal to density of liquid, then the body floats fully submerged (in the liquid) in neutral equilibrium.
2. When a body floats in neutral equilibrium, the weight of the body is equal to the weight of displaced liquid.
Choose the correct answer from the codes given below:
Answer : C
Explanation
The above given statements define law of floatation.
Q 16 - Consider the following statements:
1. Energy possessed by a body due to its motion is known as kinetic energy.
2. The capacity of doing work developed in a body due to its position or configuration is known as potential energy.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 17 - The sound frequency greater than the audible range i.e. (20,000 Hz) is known as …
Answer : A
Explanation
Anything above the frequencies of audible sound is known as ultrasonic.
Q 18 - Consider the following statements:
1. Good conductors have loosely bond electrons.
2. Bad conductors or insulators have tightly bond electrons.
Choose the correct answer from the codes given below:
Answer : C
Explanation
Electricity flows through free electron.
Q 19 - Wavemeter measures …
Answer : C
Explanation
Wavemeter is an instrument that measures the wavelength of a radio wave.
Q 20 - Plants absorb …………………… colors (the most).
Answer : A
Explanation
The chlorophyll plays major role in absorbing the light.