Quiz on Physics Set 251

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Note: You can select only one option out of four option of each question.

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Quiz on Physics Set 251 :

Question 1 :

Which of the following devices converts mechanical energy into electrical energy
A. electric motor
B. dynamo
C. transformer
D. inductor

Correct Ans: Option B

Question 2 :

Which one of the following is a friction reducing method?
A. change over from rolling to sliding
B. change over from sliding to rolling
C. change over from potential energy to kinetic energy
D. change over from kinetic energy to potential energy

Correct Ans: Option B

Question 3 :

Isotopes of an element contain same number of
A. neutrons but different number of protons
B. protons but different number of neutrons
C. electrons and neutrons
D. protons and neutrons

Correct Ans: Option B

Question 4 :

Which one of the following is not a chemical change?
A. rusting of iron
B. magnetization of iron
C. digestion of food
D. conversion of milk into curd

Correct Ans: Option B

Question 5 :

A freely falling body has uniform
A. speed
B. velocity
C. acceleration
D. weight

Correct Ans: Option C

Question 6 :

The main constituent of gobar gas is
A. hydrogen
B. ethane
C. carbondioxide
D. methane

Correct Ans: Option D

Question 7 :

Rate of change of velocity is called
A. speed
B. momentum
C. acceleration
D. weight

Correct Ans: Option C

Question 8 :

Which one of the following is called 'Adam's Apple' in human body?
A. liver
B. kidney
C. thymus
D. thyroid

Correct Ans: Option D

Question 9 :

Why the moon does not have atmosphere?
A. because of the rocky surface
B. because of low gravitational pull
C. because of low temperature
D. all of these

Correct Ans: Option B

Question 10 :

Which colour has got maximum refractive index in glass?
A. violet
B. blue
C. green
D. red

Correct Ans: Option D

Quiz Summary


Here the correct answers of every question in this quiz.

Q.1 [B],     Q.2 [B],     Q.3 [B],     Q.4 [B],     Q.5 [C],     Q.6 [D],     Q.7 [C],     Q.8 [D],     Q.9 [B],     Q.10 [D],    


Total Questions: 10
Your score:
Subject: Physics
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