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
Answer : B
Explanation
Virtual image is formed in location where light does not actually reach.
Q 3 - The range of audible sound is …
Answer : A
Explanation
However, the range of audible sound, is highly influenced with the other environmental factors as well.
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 - Which among the following laws describes the ‘radiant intensity?’
Answer : C
Explanation
N/A
Q 6 - Consider the following statements:
1. A thermocouple consists of two wire legs, which are made from different metals.
2. A thermocouple is a sensor, which is used to measure temperature.
Choose the correct answer from the codes given below:
Answer : C
Explanation
The wire legs of a thermocouple are welded together at one end, which creates a junction where temperature is measured.
Q 7 - Which among the following colors (lights) has the maximum energy?
Answer : A
Explanation
Violet has about 2.75 – 3.26 eV photon energy.
Q 8 - Which of the following waves is used in SONAR?
Answer : D
Explanation
N/A
Q 9 - The electric bell is designed on the principle of …
Answer : B
Explanation
N/A
Q 10 - Which among the following colors of heat radiation represents the lowest temperature?
Answer : A
Explanation
N/A
Q 11 - Dictaphone is a/an …
Answer : C
Explanation
Dictaphone is an instrument, which is used to record the speech for later use.
Q 12 - An electric bulb transforms …
A - Solar energy into electrical energy
B - Electrical energy into light energy
Answer : C
Explanation
N/A
Q 13 - Consider the following statements:
“The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surrounding.”
The above given definition defines:
Answer : A
Explanation
The definition defines Newton’s law of cooling.
Q 14 - One inch is equal to …
Answer : A
Explanation
N/A
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 - A dynamo transforms …
A - Mechanical energy into electrical energy
B - Chemical energy into light and heat energy
Answer : A
Explanation
N/A
Q 17 - Which among the following is not a vector?
Answer : B
Explanation
Energy is a scalar.
Answer : D
Explanation
N/A
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 : A
Explanation
Narinder Singh Kapany had first invented the optical fiber in 1950s.
