NEET Physics: Questions 1202 - 1204 of 2098

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2098 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 1202

» Properties of Solids & Liquids » Latent Heat

MCQ▾

Question

A lead bullet at 27° C just n tits when, stopped by an obstacle. Assuming that 25 % of heat is absorbed by the obstacle, then the velocity of the bullet at the time of striking (M. P. of lead = 327°C, specific heat of lead = 0.03 cal/gm °C, latent heat of fusion of lead = 6 cal/gm and J = 4.2 joule/cal)

Choices

Choice (4) Response

a.

307.5 m/sec

b.

1230 m/sec

c.

410 m/sec

d.

Question does not provide sufficient data or is vague

Question number: 1203

» Dual Nature of Matter and Radiation » De-Broglie Relation

MCQ▾

Question

Which of the following figure represents variation of particle momentum and the associated de-Broglie wavelength?

Choices

Choice (4) Response

a.

Plot of momentum vs de-Broglie wavelength – Choice A

Plot of Momentum vs De-Broglie Wavelength – Choice A

Figure shows the plot of particle momentum and the associated de-Broglie wavelength.

b.

Plot of momentum vs de-Broglie wavelength – Choice B

Plot of Momentum vs De-Broglie Wavelength – Choice B

Figure shows the plot of particle momentum and the associated de-Broglie wavelength.

c.

Plot of momentum vs de-Broglie wavelength – Choice C

Plot of Momentum vs De-Broglie Wavelength – Choice C

Figure shows the plot of particle momentum and the associated de-Broglie wavelength.

d.

Plot of momentum vs de-Broglie wavelength – Choice D

Plot of Momentum vs De-Broglie Wavelength – Choice D

Figure shows the plot of particle momentum and the associated de-Broglie wavelength.

Question number: 1204

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

MCQ▾

Question

What should be the size of the aperture of the objective of telescope which can just resolve the two stars of angular width of 10 -3 degree by light of wavelength 5000Å?

Choices

Choice (4) Response

a.

3.5 cm

b.

3.5 mm

c.

3.5 m

d.

3.5 km

f Page
Sign In