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Physics Part 2 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 - MCB that used in electric circuit to cut off the electric supply in case of short circuit works on
A - Magnetic effect of the current
B - Heating effect of the current
Answer : B
Explanation
N/A
Q 2 - Consider the following statements:
1. Terrestrial telescope gives erect image.
2. The Astronomical Telescope gives inverted image.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 3 - Which among the following is used during pregnancy to check on the development of the fetus?
Answer : C
Explanation
The technique is named as obstetrical sonography.
Q 4 - Consider the following statements:
1. Radio waves are normally produced by rapidly oscillating electrical currents.
2. In order to detect the over speeding vehicles, police use the Doppler effect technology that reflects the short radio waves.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 5 - Radiometer measures
Answer : A
Explanation
Radiometer is an instrument that measures the intensity of radiation.
Q 6 - The device, which is used to detect the presence of oil on water surface, is known as
Answer : A
Explanation
N/A
Answer : B
Explanation
Speed of sound in iron is 5,120 m/s.
Q 8 - When a cricket player catches a fasting coming ball, he pulls his hands back with the fast coming ball to reduce the velocity to zero. The act best defines
Answer : C
Explanation
N/A
Q 9 - During the sunrise and sunset, why does sun appears red?
A - Red light has maximum dispersion
B - Red light has minimum dispersion
C - At these times, sun remains at maximum distance
D - All other colors remain invisible in the morning & evening
Answer : B
Explanation
N/A
Q 10 - Which among the following colors has the minimum refractive index?
Answer : A
Explanation
N/A
Answer : B
Explanation
It was John Dalton who first formulated the atomic theory of matter.
Q 12 - Through a beam of red light a diffraction pattern is obtained; what will happen if red light is replaced by blue light?
C - Diffraction patter will become broader and further apart
D - Diffraction pattern will become narrower and crowed together
Answer : D
Explanation
The blue light will change the pattern and hence the diffraction becomes narrower.
Q 13 - Which among the following is used to trace the movements of the heart?
Answer : B
Explanation
N/A
Q 14 - Consider the following statements:
1. The addition of detergent or soap decreases the surface tension of water and thus clean cloth better.
2. Bubbles of soap solution are big because of the lesser surface tension of water.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 15 - Which among the following is used to compare the intensity of colors?
Answer : D
Explanation
N/A
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 - Who among the following has discovered short radio waves?
Answer : B
Explanation
Hertz generated radio waves in his laboratory in 1887.
Q 19 - Periscope is used in
A - Watching underwater objects
B - Watching small insects and plants in mountainous region
Answer : A
Explanation
Periscope is normally used in submarine to observe the surrounding areas/objects.
Answer : D
Explanation
White is produced by mixing of blue, red, and green.