Sawaal

 Physics Questions

Popular Latest Rated
Q:

Instrument for measuring blueness of the sky or ocean is called ___________.

A) Bathymeter B) Ceraunograph
C) Cyanometer D) Barometer
 
Answer & Explanation Answer: C) Cyanometer

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1462
Q:

Ozone protects biosphere from ___________

A) X ­- rays B) Gamma rays
C) Ultraviolet rays D) Infrared rays
 
Answer & Explanation Answer: C) Ultraviolet rays

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

2 1461
Q:

The atomic bomb is based on the principle of

A) Uncontrolled nuclear fusion B) Uncontrolled nuclear fission
C) Controlled nuclear fission D) Controlled nuclear fusion
 
Answer & Explanation Answer: B) Uncontrolled nuclear fission

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1461
Q:

Cold air is ______.

A) lighter than warm air hence cold air settles down B) heavier than warm air hence cold air rises up
C) lighter than warm air hence cold air rises up   D) heavier than warm air hence cold air settles down  
 
Answer & Explanation Answer: D) heavier than warm air hence cold air settles down  

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1460
Q:

The focal length of a concave mirror with a radius of curvature of 20.0 cm is :

A) 20 cm B) 5 cm
C) 10 cm D) 15 cm
 
Answer & Explanation Answer: C) 10 cm

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1455
Q:

If the velocity of a body is halved its kinetic energy ________________.

A) become 4 times B) becomes 1/4 th
C) is also doubled D) becomes half
 
Answer & Explanation Answer: B) becomes 1/4 th

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics

1 1451
Q:

Newton's first law is also known as _______.

A) Law of friction B) Law of moments
C) Law of Inertia D) Law of motion
 
Answer & Explanation Answer: C) Law of Inertia

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

2 1451
Q:

A Sonar of a ship sends sounds waves of speed 1000 m/s. These waves are reflected back by the ocean floor in 2 seconds. Find the depth (in m) of theocean floor. 

A) 2000 B) 500
C) 1000 D) 100
 
Answer & Explanation Answer: C) 1000

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams , CAT

2 1451