- 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 - Optical fiber is preferably used in communication because
B - Optical fiber is efficient
Answer : D
Explanation
Optical fiber is one of the best mediums of transferring information in the present world.
Q 2 - The mirages that we see during the summer season, is because of
Answer : D
Explanation
Mirage is an optical phenomenon.
Q 3 - Which among the following waves is used in radar?
Answer : B
Explanation
Radar is used to detect aircraft, spacecraft, guided missiles, ships, motor vehicles, weather formations, submarines, and terrain.
Answer : A
Explanation
N/A
Q 6 - A rocket works on
Answer : D
Explanation
Conservation of momentum law states that the momentum of a system is constant until there is no external force acts on the system.
Q 7 - Cream gets separated from the milk because of
Answer : C
Explanation
The force that is directed away from the axis of rotation is known as centrifugal force.
Answer : A
Explanation
N/A
Q 9 - Which among the following laws determines the frequency of the emitted radiation?
Answer : B
Explanation
N/A
Answer : A
Explanation
However, the speed of sound in the air depends also on the temperature of the air.
Q 12 - Consider the following statements:
1. The first law of Newton is also known as law of Galileo or law of inertia.
2. Inertia is the property of a body by virtue of which the body opposes change in its initial state of rest or motion with uniform speed on a straight line.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 13 - Who among the following first used the terms positive charge and negative charge?
Answer : A
Explanation
N/A
Q 14 - Solar energy transforms
A - Solar energy into electrical energy
B - Electrical energy into light energy
Answer : A
Explanation
N/A
Q 15 - Consider the following statements:
1. Human ear cannot detect the ultrasonic waves.
2. Dog, cat, and mosquito can detect ultrasonic waves.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 16 - A dynamo transforms
A - Mechanical energy into electrical energy
B - Chemical energy into light and heat energy
Answer : A
Explanation
N/A
Q 17 - Consider the following statements:
1. Light is a transverse wave.
2. Photoelectric effect phenomena are explained by the quantum theory of light.
Choose the correct answer from the codes given below:
Answer : C
Explanation
Quantum theory of light was proposed by Einstein.
Q 18 - Chronometer determines
A - Direction of ships movement in the sea
B - Direction of airplane in the air
Answer : C
Explanation
Chronometer is a clock that determines the exact and precise time according to the longitude normally used by ship in navigation.
Q 19 - Who among the following has first used radio waves for communication?
Answer : C
Explanation
In the mid-1890s, Guglielmo Marconi first used radio waves for the communication.
Q 20 - What is the focal length of a plane mirror?
Answer : A
Explanation
It is because of the radius of curvature, which is infinite.