Work, Energy and Power (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 19 - 21 of 21

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 268 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

Question number: 19

» Work, Energy and Power » Conservation of Mechanical Energy

MCQ▾

Question

A child is sitting on a swing. Its minimum and maximum heights from the ground are 0.55 m and 3 m respectively. What will be its maximum speed?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 20

» Work, Energy and Power » Conservation of Mechanical Energy

Appeared in Year: 2016

MCQ▾

Question

A uniform ring of radius is moving on a horizontal surface with speed and then climbs up a ramp of inclination to a height . There is no slipping in the entire motion. Then is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 21

» Work, Energy and Power » Elastic and Inelastic Collisions

Appeared in Year: 2016

MCQ▾

Question

An electron with kinetic energy collides with a hydrogen atom in the ground state. The collision will be elastic,

Choices

Choice (4) Response

a.

for only.

b.

for all values of .

c.

for only.

d.

for .

f Page
Sign In