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Practice MCQ Questions and answers on Physics-GK

Learn and practice General Knowledge questions and answers on Physics with very easy and understandable explanations. GK questions are very helpful different type of competitive exams. Page-2 section-2

Each section contains 100 MCQs on Physics .
11
Fuse wire is made of an alloy of
Discuss
Answer & Solution
Answer: Option A
Solution:
An electrical fuse is a safety device in the circuit that protects electrical systems by breaking the connection when a short circuit is occurring. The fuse wire is made up of Sn (tin) and Pb (lead) alloy because of its high resistance and low melting point.
12
In the electrical circuit of a house, the fuse acts as
Discuss
Answer & Solution
Answer: Option C
Solution:
In the electrical circuit of a house, the fuse acts as a safety device.
13
The nature of fuse wire is
Discuss
Answer & Solution
Answer: Option A
Solution:
The nature of fuse wire is high resistance and low melting point.
14
Which of these is exhibiting kinetic energy?
Discuss
Answer & Solution
Answer: Option C
Solution:
A space station orbiting Earth is exhibiting kinetic energy.
15
An object having the capability to do work is said to possess
Discuss
Answer & Solution
Answer: Option D
Solution:
An object having the capability to do work is said to possess Energy.
16
In which form is the supplied heat energy stored during change in temperature of substance?
Discuss
Answer & Solution
Answer: Option B
Solution:
Kinetic energy is the supplied heat energy stored during change in temperature of substance.
17
What is another name for energy of motion?
Discuss
Answer & Solution
Answer: Option C
Solution:
Kinetic energy is the energy of motion.
18
The rate at which energy is transferred is called
Discuss
Answer & Solution
Answer: Option A
Solution:
The rate at which energy is transferred is called power and the amount of energy that is usefully transferred is called efficiency.
19
An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of :
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
20
In which of the following processes is energy released ?
Discuss
Answer & Solution
Answer: Option A
Solution:
Energy is released during respiration.