- 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 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. If the rays pass through a rarer medium to denser medium, the velocity decreases.
2. If the rays pass through from rarer medium to denser medium, the velocity remains same.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 2 - Which among the following correctly defines the phenomenon in which three dimensional image is formed through penetration of two light beams from laser?
Answer : C
Explanation
A hologram is a photographic recording of a light field instead of an image.
Q 3 - Which among the following waves possess the highest amount of energy?
Answer : A
Explanation
N/A
Answer : B
Explanation
Seismometer is an instrument that measures seismic waves (earthquake waves).
Q 5 - Which among the following elements has the highest specific heat?
Answer : A
Explanation
N/A
Q 6 - If a pigmy tribe living in equatorial region moves towards the pole, his weight will …
Answer : A
Explanation
The gravity increases as start moving towards the pole.
Q 7 - Which among the following laws defines the ‘force?’
A - Newton’s gravitational law
B - Newton’s first law of motion
Answer : B
Explanation
N/A
Q 8 - Consider the following statements:
1. Ohm’s law explains that the electric current is proportional to the voltage and inversely proportional to the resistance.
2. Faraday’s law explains the phenomena of electrolysis.
Choose the correct answer from the codes given below:
Answer : A
Explanation
Faraday’s law explains the phenomena of electromagnetic induction.
Q 9 - A bat can fly in the dark because …
Answer : B
Explanation
Bats produce ultrasonic waves that guide them to fly in the dark.
Q 10 - If melting point of ice is measured in Kelvin, then it would be …
Answer : A
Explanation
For most of the substances, the melting point and freezing points are equal.
Q 11 - Find the correct statement:
A - Temperature differing by 300 on the Fahrenheit scale must differ by 450 on the Celsius scale
B - 00 Fahrenheit is equal to -17.80 Celsius
C - Temperature differing by 150 on the Celsius scale must differ by 220 on the Fahrenheit scale
Answer : B
Explanation
00 F = -17.7777800 C
Q 12 - One square feet is equal to …
Answer : A
Explanation
N/A
Q 13 - The Branch of Physics that studies the production and properties of sound is known as:
Answer : C
Explanation
Acoustics is the study of sound including its production and properties.
Q 14 - Who among the following has discovered Infra-red rays?
Answer : A
Explanation
William Herschel discovered infrared rays in 1800.
Answer : B
Explanation
George Claude had first invented the neon lamp.
Q 16 - Consider the following statements:
1. Value of gravity force decreases with height or depth from earth’s surface.
2. The value of gravitational force is maximum at equator.
Choose the correct answer from the codes given below:
Answer : A
Explanation
The value of gravitational force is maximum at poles.
Q 17 - Who among the following first discovered the production of electricity by chemical reaction?
Answer : A
Explanation
In early 1790s, Allensandra de Volta first discovered the production of electricity by chemical reaction.
Q 18 - Which among the following is used to detect the approaching airplane?
Answer : B
Explanation
Radar uses radio waves to detect the airplanes.
Q 19 - Who had stated that “Energy cannot be created or destroyed; it can only be changed from one form to another.”
Answer : A
Explanation
N/A
Answer : B
Explanation
The hertz is the measuring unit of frequency.
To Continue Learning Please Login