Physics Questions

Q:

Which vitamin is also called as H vitamin?

A) Vitamin B7 B) Vitamin B12
C) Vitamin B3 D) Vitamin B5
 
Answer & Explanation Answer: A) Vitamin B7

Explanation:

Biotin is a water-soluble B vitamin, also called vitamin B7 and formerly known as vitamin H or coenzyme R.

Report Error

View Answer Report Error Discuss

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

2 2579
Q:

The law of conservation of mass states that mass cannot be changed overtime.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

The law of conservation of mass states that in any closed system the mass of the system is neither created nor destroyed over time i.e, the mass cannot be changed overtime.


 


Hence, the given statement is true.

Report Error

View Answer Workspace Report Error Discuss

3 2574
Q:

What is the unit of the physical quantity "Stress"?

A) newton second B) steradian
C) pascal D) joule
 
Answer & Explanation Answer: C) pascal

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams , CAT

1 2572
Q:

when an atom loses an electron it becomes

A) neutron B) negative ion
C) positive ion D) none of the above
 
Answer & Explanation Answer: C) positive ion

Explanation:

If it loses an electron it becomes a positive ion

Report Error

View Answer Report Error Discuss

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

1 2571
Q:

Acceleration is the rate of change of

A) Speed B) Velocity
C) Jerk D) Jounce
 
Answer & Explanation Answer: B) Velocity

Explanation:

The rate of change of velocity is called as Acceleration.

Report Error

View Answer Report Error Discuss

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

10 2561
Q:

Hot springs are heated geothermally by underlying

A) water B) magma
C) mitula D) None of the above
 
Answer & Explanation Answer: B) magma

Explanation:

Magma is molten rocks beneath the earth's crust. Hot springs are heated geothermally by underlying magma.

Report Error

View Answer Report Error Discuss

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

2 2552
Q:

Which waves cannot be transmitted through vacuum?

A) Electromagnetic B) Light
C) Sound D) Heat
 
Answer & Explanation Answer: C) Sound

Explanation:

Sound waves cannot be transmitted through vacuum. 

Report Error

View Answer Report Error Discuss

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

6 2548
Q:

The wavelike properties of electrons are useful in

A) Magnifying objects B) Lasers
C) Weather reports D) All of the above
 
Answer & Explanation Answer: A) Magnifying objects

Explanation:

The photoelectric effect pointed to the particle properties of light, which had been considered to be a wave phenomenon. Particles like electron and protons have both particle like and wave like behavior. Thus, according to de Broglie, all the material particles in motion possess wave characteristics. Although the dual nature of matter is applicable to all material objects but it is significant for microscopic bodies only.

Report Error

View Answer Report Error Discuss

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

6 2543