# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 797 - 801 of 2184

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## Question number: 797

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MCQ▾

### Question

Four bodies of equal mass start moving with same speed as shown in the figure. In which of the following combination the center of mass will remain at origin? System of Four Mass ABCD In above figure we show the four body of equal mass make square, having same speed

### Choices

Choice (4) Response

a.

b and d

b.

c and d

c.

a and c

d.

a and b

## Question number: 798

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MCQ▾

### Question

Two inductors L 1 and L 2 are at a sufficient distance apart. Equivalent inductance when they are connected (i) in series (ii) in parallel are

### Choices

Choice (4) Response

a.

b.

c.

None

d.

## Question number: 799

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MCQ▾

### Question

A force of 100 N acts in the direction as shown in figure on a block of mass 10 kg resting on a smooth horizontal table. The speed acquired by the block after it has moved a distance of 10 m, will be - (in m/sec) (g = 10 m/sec 2) Force of 100N Acts on the Block Speed acquired by the block after it has moved a distance of 10 m

### Choices

Choice (4) Response

a.

1.7 m/sec

b.

17 m/sec

c.

1.3 m/sec

d.

13.17 m/sec

## Question number: 800

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MCQ▾

### Question

The work done in pulling a body of mass 3 kg along an inclined plane (angle 50°) with coefficient of friction 0.2 through 2 m, will be -

### Choices

Choice (4) Response

a.

98.08 J

b.

52.56 J

c.

91.08 J

d.

94.08 J

## Question number: 801

Edit
Assertion-Reason▾

### Assertion (Ꭺ)

The induced e. m. f. and current will be same in two identical loops of copper and aluminum, when rotated with same speed in the same magnetic field.

### Reason (Ꭱ)

Induced e. m. f. is proportional to rate of change of magnetic field while induced current depends on resistance of wire.

### Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ