Sawaal

 Physics Questions

Popular Latest Rated
Q:

Velocity of a car does not depend on

A) Speedometer B) Change in direction
C) Change in speed D) Change in acceleration
 
Answer & Explanation Answer: A) Speedometer

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

2 1117
Q:

Find the resistance (in mega Ω) of a wire of length 10 m, cross sectional area 1 cm2 and made of a material of resistivity 100 Ωm.

 

A) 1000   B) 20  
C)  500   D) 10
 
Answer & Explanation Answer: D) 10

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1117
Q:

The SI unit of weight is a

A) Kg B) Newton
C) Gram D) Dyne
 
Answer & Explanation Answer: B) Newton

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1112
Q:

Knife is an example for

A) Lever B) Wedge
C) Inclined plane D) Pulley
 
Answer & Explanation Answer: B) Wedge

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

2 1111
Q:

What is the Centre of Curvature of a spherical mirror?

A) It is the centre of a hollow sphere of which the spherical mirror is a part B) It is the midpoint of a spherical mirror
C) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection D) It is a point from which the rays of light appear to be coming from on the principal axis of a convex mirror
 
Answer & Explanation Answer: A) It is the centre of a hollow sphere of which the spherical mirror is a part

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1110
Q:

If the frequency of a sound wave of given velocity is increased , how will it affect its wavelength?

A) Its wavelength will increase B) The wavelength will not be affected
C) Its wave length will decrease D) Wavelength will keep increasing and decreasing alternately
 
Answer & Explanation Answer: C) Its wave length will decrease

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1109
Q:

What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?

 

A) 6400   B) 1280  
C) 640   D) 3200
 
Answer & Explanation Answer: B) 1280  

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

2 1109
Q:

The energy released at the end of digestion is in the form of

A) thermal energy B) electric energy
C) kinetic energy D) chemical energy
 
Answer & Explanation Answer: D) chemical energy

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

0 1109