# KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics: Questions 245 - 248 of 268

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## Question number: 245

MCQ▾

### Question

A mass M is suspended from a spring of negligible mass. The spring is pilled a little and then released so that the mass executes SHM of time period T. If the mass is increased by m, the time period becomes. Then the ratio of is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 246

Appeared in Year: 2015

MCQ▾

### Question

An ideal gas undergoes a circular cycle centered at 4atm, 4 lit as shown in the diagram. The maximum temperature attained in this process is close to,

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 247

MCQ▾

### Question

An 8 kg block of ice, released from rest at the top of a 2.1 m long smooth ramp, slides down and falls with a velocity 3.3 ms-1. Find angle of the ramp with horizontal.

### Choices

Choice (4) Response

a.

220

b.

260

c.

150

d.

120

## Question number: 248

Appeared in Year: 2014

MCQ▾

### Question

An electron enters a parallel plate capacitor with horizontal speed u and is fond to deflect by angle θ on leaving the capacitor as shown. It is found that and gravity is negligible,

If the initial horizontal speed is doubled, then tan θ will be,

### Choices

Choice (4) Response

a.

0.2

b.

0.8

c.

0.1

d.

1.6

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