Sawaal

 Physics Questions

Popular Latest Rated
Q:

In projectile motion, the total flight time is _______.

A) equal to the time required to reach the maximum height B) thrice the time required to reach the maximum height
C) four times the time required to reach the maximum height D) twice the time required to reach the maximum height
 
Answer & Explanation Answer: D) twice the time required to reach the maximum height

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1283
Q:

The force which makes a vehicle to stop when break is applied is called

A) gravitational force B) vander­walls force
C) frictional force D) co­valant force
 
Answer & Explanation Answer: C) frictional force

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

2 1282
Q:

Which one of the following statements with regard   to   Jet   stream,   an   upper   level tropospheric wave, is not correct?

A) It is narrow band of high-velocity wind. B) It   follows   the   wave   path   near   the tropopause at elevations of 8 km to 15 km.
C) Jet  streams  are typically  continuous over long distances. D) In summer, the polar front jet achieves its maximum force.
 
Answer & Explanation Answer: B) It   follows   the   wave   path   near   the tropopause at elevations of 8 km to 15 km.

Explanation:

All  are  correct  except  D,  as  Jet streams  are  phenomena  of  winter. It   is   believed   that   jet   stream exercises  an  important  influence on the winter weather in India.

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1281
Q:

The time period of a sound wave is 0.01 seconds. Find its frequency (in Hz).

A) 100 B) 10
C) 50 D) 20
 
Answer & Explanation Answer: A) 100

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1279
Q:

Anemometer is an instrument meant for measuring __________

A) velocity B) air masses
C) wind speed D) temperature
 
Answer & Explanation Answer: C) wind speed

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics

0 1277
Q:

Which electromagnetic wave has the highest frequency?

A) Gamma Rays B) Radio waves
C) X rays D) Microwaves
 
Answer & Explanation Answer: A) Gamma Rays

Explanation:

In all Electromagnetic waves, Gamma Rays have the highest frequency and the lowest wavelength. Whereas Radio ways have lowest Frequency and the highest wavelength. 

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: CAT , Bank Exams

0 1271
Q:

Which motion has magnitude of static frictional force directly proportional to normal reaction?

A) Impending motion B) Actual motion
C) Both 1 and 2 D) None of the above
 
Answer & Explanation Answer: A) Impending motion

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1271
Q:

What is the SI unit of intensity of sound?

A) Decible B) Newton
C) Heartz D) Tesla
 
Answer & Explanation Answer: A) Decible

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

2 1270