KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics: Questions 261 - 264 of 268

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Question number: 261

» 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: 262

» Physics and Measurement » Errors in Measurement

Appeared in Year: 2016

MCQ▾

Question

If one takes into account finite mass of the proton, the correction to the binding energy of the hydrogen atom is approximately –

(Mass of proton , Mass of electron )

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 263

» Properties of Solids & Liquids » Thermal Expansion

Appeared in Year: 2016

MCQ▾

Question

Thermal expansion of a solid is due to the –

Choices

Choice (4) Response

a.

Symmetric characteristic of the inter atomic potential energy curve of the solid

b.

Rotational motion of the atoms pf the solid.

c.

Double well nature of the inter – atomic potential energy curve of the solid

d.

Asymmetric characteristic of the inter atomic potential energy curve of the solid

Question number: 264

» Rotational Motion » Angular Momentum

Appeared in Year: 2016

MCQ▾

Question

A particle at a distance of from the origin starts moving such that , where are polar coordinates. Then the angle between resultant velocity and tangential velocity component is:

Choices

Choice (4) Response

a.

b.

c.

d.

Dependent on where the particle is.

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