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

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## Question number: 1797

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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

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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

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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

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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

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