KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics: Questions 95 - 97 of 268

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Question number: 95

» Rotational Motion » Torque

Appeared in Year: 2014

MCQ▾

Question

A simple pendulum is attached to the block which slides without friction down an inclined plane (ABC) having an angle of inclination α as shown.

Free body diagram of pendulum

Free Body Diagram of Pendulum

In figure forces acting on a simple pendulum is attached to the block which slides without friction down an inclined plane is shown

While the block is sliding down the pendulum oscillates in such a way that its mean position the direction of the string is –

Choices

Choice (4) Response

a.

vertically downwards

b.

parallel to the inclined plane AC.

c.

at angle α to the perpendicular to the inclined plane AC.

d.

perpendicular to the inclined plane AC.

Question number: 96

» Properties of Solids & Liquids » Bernoulli's Principle and Its Applications

Appeared in Year: 2014

MCQ▾

Question

Water containing air bubbles flows without turbulence through a horizontal pipe which has a region of narrow cross-section. In this region the bubbles

Choices

Choice (4) Response

a.

move with greater speed and are larger in size than in the rest of the pipe

b.

move with lesser speed and are smaller than in the rest of the pipe

c.

move with greater speed and are smaller than in the rest of the pipe

d.

move with lesser speed and are of the same size as in the rest of the pipe

Question number: 97

» Current Electricity » Series and Parallel Combinations of Resistors

Appeared in Year: 2013

MCQ▾

Question

The circuit shown has been connected for a long time. The voltage across the capacitor is

Circuit diagram consist of a capacitor and three resistor

Circuit Diagram Consist of a Capacitor and Three Resistor

In figure combination of three resistors and a capacitor connected with a battery of 6 V.

Choices

Choice (4) Response

a.

2.4 V

b.

2.0 V

c.

4.0 V

d.

1.2 V

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