- 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 - If a red object is placed in green light, then the object will appear
Answer : D
Explanation
N/A
Q 3 - Arrange the following Electromagnetic spectrum in chronology i.e. from highest to lowest energy level:
1. Gamma Rays
2. X-Rays
3. Ultraviolet Radiation
4. Visible Light
Choose the correct answer from the codes given below:
Answer : A
Explanation
N/A
Answer : B
Explanation
The speed of sound in air is about 343 m/s.
Q 5 - Which among the following laws describes the radiant intensity?
Answer : C
Explanation
N/A
Q 6 - Because of which force, fat of milk gets separated in a cream separator?
Answer : A
Explanation
The force, directed outward from the center of curvature or axis of rotation, is known as centrifugal force.
Q 7 - Beaufort scale is used to measure
Answer : D
Explanation
Beaufort scale is an instrument used in measuring the wind force.
Q 8 - Which among the following natural substances has the highest specific heat?
Answer : A
Explanation
Water has the second-highest specific heat.
Q 9 - If pressure is increased of water then
A - Boiling point will also increase
B - Boiling point will decrease
Answer : A
Explanation
N/A
Q 10 - In which of the following mediums, sounds travelling speed is highest?
Answer : C
Explanation
Speed of sound is highest in solid materials e.g. speed of sound in iron is about 5,120 m/s.
Q 11 - Transformers property is
A - To convert high voltage into low voltage
Answer : D
Explanation
Transformer is used to convert high voltage into low and vice versa.
Q 12 - Which among the following is an electromagnetic wave?
Answer : D
Explanation
Light wave does not need any medium to travel; it travels in vacuum as well.
Q 13 - Who among the following has discovered Ultra-Violet Rays?
Answer : C
Explanation
Johann Ritter had discovered ultra-violet rays in 1801.
Answer : B
Explanation
Calliper is an instrument that measures the outside and inside dimension of a body.
Q 15 - Consider the following statements:
1. The radioactivity element radium was discovered by Robert Pierre and his wife Madam Curie.
2. Rutherford first discovered the rays emitted by radioactivity.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 16 - Consider the following statements:
1. Anode ray is first discovered by Goldstein in 1886.
2. Anode rays are positive rays that carry positive ions.
Choose the correct answer from the codes given below:
Answer : C
Explanation
Anode rays are also known as positive rays or canal rays.
Answer : A
Explanation
Seymour Cray was the first who acted to materialize the idea of supercomputer in 1960s.
Q 18 - Which among the following is used to measure heat radiation?
Answer : C
Explanation
N/A
Q 19 - One pound is equal to
Answer : A
Explanation
N/A
Q 20 - Which among the following is used to determine the speed of an aircraft?
Answer : C
Explanation
N/A