NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1797 - 1801 of 2184

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Question number: 1797

» Oscillations and Waves » Doppler Effect in Sound

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MCQ▾

Question

Doppler shift in frequency depends upon

Choices

Choice (4) Response

a.

The velocity of the source

b.

The velocity of the observer

c.

The frequency of the wave produced

d.

All c. , b. and a. are correct

Question number: 1798

» Communication System » Amplitude and Frequency Modulation

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MCQ▾

Question

If f a and f f represent the carrier wave frequencies for amplitude and frequency modulations respectively, then

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1799

» Gravitation » Kepler's Laws of Planetary Motion

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MCQ▾

Question

The mean distance of mars from sun is 1.524 times the distance of the earth from the sun. The period of revolution of mars around sun will be

Choices

Choice (4) Response

a.

2.88 earth year

b.

4.88 earth year

c.

3.88 earth year

d.

1.88 earth year

Question number: 1800

» Gravitation » Energy

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MCQ▾

Question

A projectile is fired vertically upward from the surface of earth with a velocity . where is the escape velocity and K < 1. Neglecting air resistance, the maximum height to which it will rise measured from the center of the earth is - (where R = radius of earth)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1801

» Experimental Skills » Focal Length

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MCQ▾

Question

For a convex spherical mirror, the graph of verses is,

Choices

Choice (4) Response

a.

The graph of inverse of v Vs. inverse of u Choice -A

The Graph of Inverse of v vs. Inverse of U Choice -A

For a convex spherical mirror, the graph of v Vs. inverse of u is shown in figure.

b.

The graph of inverse of v vs. inverse of u Choice-B

The Graph of Inverse of v vs. Inverse of U Choice-B

For a convex spherical mirror, the graph of inverse of v vs. inverse of u is shown in figure.

c.

 The graph of inverse of v Vs. inverse of u Choice-C

The Graph of Inverse of v vs. Inverse of U Choice-C

For a convex spherical mirror, the graph of inverse of v Vs. inverse of u is shown in figure.

d.

 The graph of inverse of v Vs. inverse of u Choice-D

The Graph of Inverse of v vs. Inverse of U Choice-D

For a convex spherical mirror, the graph of inverse of v Vs. inverse of u is shown in figure.