General Science

PHYSICS MCQs

Total Questions : 25

Page 1 of 3 pages
Question 1.

A piece of rock was brought from the moon to earth. Then


  1.    its mass alone changed
  2.    its weight alone changed
  3.    both mass as well as weight changed
  4.    neither its mass nor its weight changed
 Discuss Question
Answer is Option B. -> its weight alone changed


Question 2.

A shell initially at rest suddenly explodes into two equal fragments A and B. Which one of the following is observed?


  1.    A and B moves in the same direction with the same speed
  2.    A and B moves in the same direction with different speed
  3.    A and B move in opposite direction with same speed
  4.    A and B move in opposite directions with different speed
 Discuss Question
Answer is Option C. -> A and B move in opposite direction with same speed

Question 3.

A magnetic needle is kept in a non-uniform management field. It experiences


  1.    a force and a torque
  2.    a force but not a torque
  3.    a torque but not a force
  4.    neither a force nor a torque
 Discuss Question
Answer is Option A. -> a force and a torque

Question 4.

A person climbing a hill bends forward in order to


  1.    avoid slipping
  2.    increase speed
  3.    reduce fatigue
  4.    increase stability
 Discuss Question
Answer is Option D. -> increase stability


Question 5.

A hydrogen filled ballon rises in the air because


  1.    the atmospheric pressure decreases with altitude
  2.    the acceleration due to gravity decreases with altitude
  3.    the density of air decreases with altitude
  4.    the buoyant force excerted by the air on the balloon is greater than the weight of the balloon
 Discuss Question
Answer is Option D. -> the buoyant force excerted by the air on the balloon is greater than the weight of the balloon


Question 6.

A piece of rock was brought from the moon to earth. Then


  1.    its mass alone changed
  2.    its weight alone changed
  3.    both mass as well as weight changed
  4.    neither its mass nor its weight changed
 Discuss Question
Answer is Option B. -> its weight alone changed


Question 7.

A shell initially at rest suddenly explodes into two equal fragments A and B. Which one of the following is observed?


  1.    A and B moves in the same direction with the same speed
  2.    A and B moves in the same direction with different speed
  3.    A and B move in opposite direction with same speed
  4.    A and B move in opposite directions with different speed
 Discuss Question
Answer is Option C. -> A and B move in opposite direction with same speed

Question 8.

A hydrogen filled ballon rises in the air because


  1.    the atmospheric pressure decreases with altitude
  2.    the acceleration due to gravity decreases with altitude
  3.    the density of air decreases with altitude
  4.    the buoyant force excerted by the air on the balloon is greater than the weight of the balloon
 Discuss Question
Answer is Option D. -> the buoyant force excerted by the air on the balloon is greater than the weight of the balloon


Question 9.

A person climbing a hill bends forward in order to


  1.    avoid slipping
  2.    increase speed
  3.    reduce fatigue
  4.    increase stability
 Discuss Question
Answer is Option D. -> increase stability


Question 10.

A magnetic needle is kept in a non-uniform management field. It experiences


  1.    a force and a torque
  2.    a force but not a torque
  3.    a torque but not a force
  4.    neither a force nor a torque
 Discuss Question
Answer is Option A. -> a force and a torque