BITSAT Physics: Questions 147 - 152 of 382

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Question number: 147

» Oscillations and Waves » Simple Harmonic Motion » Phase

MCQ▾

Question

A body is vibrating in simple harmonic motion with an amplitude of Equation and frequency of Equation . The maximum velocity and acceleration of the body is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 148

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

On producing the waves of frequency Equation in a Kundt’s tube, the total distance between Equation successive nodes is Equation . Speed of sound in the gas filled in the tube is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 149

» Electronic Devices » Semiconductor Diode

MCQ▾

Question

In a triode value, the current in the plate circuit is controlled by –

Choices

Choice (4) Response

a.

Anode

b.

Cathode

c.

Grid

d.

Ammeter

Question number: 150

» Magnetic Effects of Current and Magnetism » Bar Magnet

MCQ▾

Question

The direction of the null points is on the equatorial line of bar magnet, when the north pole of the magnet is pointing to –

Choices

Choice (4) Response

a.

North

b.

South

c.

West

d.

East

Question number: 151

» Oscillations and Waves » Longitudinal and Transverse Waves

MCQ▾

Question

Which of the following are not the transverse waves?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Visible light waves

d.

Sound waves in the gas

Question number: 152

» Electronic Devices » Semiconductors

MCQ▾

Question

In a p-type semi-conductor germanium is doped with –

Choices

Choice (4) Response

a.

Boron

b.

Gallium

c.

Aluminum

d.

All a. , b. and c. are correct

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