Sawaal

 Physics Questions

Popular Latest Rated
Q:

If an object moves with constant velocity,

A) it must have constant speed B) it must have constant direction
C) it must have constant speed in constant direction D) None of the above
 
Answer & Explanation Answer: C) it must have constant speed in constant direction

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

3 2220
Q:

Electric power is measured in units of

A) Volt B) Joule
C) Watt D) Ampere
 
Answer & Explanation Answer: C) Watt

Explanation:

Electric power is the rate per unit time, at which electrical energy is transferred by an electric circuit. The power of electricity is measured in watts and kilo watts.

1 Watt is the unit of electrical power equal to one ampere under the pressure of one volt.

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

6 2208
Q:

What is the SI unit of heat energy?

A) Joule B) Newton
C) Calorie D) Kelvin
 
Answer & Explanation Answer: A) Joule

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

4 2208
Q:

Why does a fountain pen leak in aeroplane flying at a height?

A) Because of reduced viscosity of the ink in the pen B) Because of increased viscosity of the ink in the pen
C) Because of higher atmospheric pressure outside the pen D) Because of lower atmospheric pressure outside the pen
 
Answer & Explanation Answer: D) Because of lower atmospheric pressure outside the pen

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

3 2204
Q:

Glass is made of which material?

A) Calcium carbonate B) Sand
C) Silver Iodide D) Lime
 
Answer & Explanation Answer: B) Sand

Explanation:

Glass is made from heating of sand. To melt sand to make glass, the temperature needed is above 1800 deg celcius.

glass_is_made_of_which_material1562221721.jpg image

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

6 2201
Q:

A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be____.

A) 50J B) 30J
C) 20J D) 40J
 
Answer & Explanation Answer: A) 50J

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 2199
Q:

The taper on the lathe spindle is

A) 1 in 10 B) 1 in 20
C) 1 in 15 D) 1 in 25
 
Answer & Explanation Answer: B) 1 in 20

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

4 2197
Q:

What type of heat transfer is boiling water?

A) radiation B) conduction
C) convection D) None of the above
 
Answer & Explanation Answer: C) convection

Explanation:

Convection is by far the most efficient and common way for heat to be transferred through liquids and gases. It occurs when some regions of a fluid get hotter than others, causing currents in the fluid that move it around to distribute that heat more evenly.

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

3 2195