BITSAT Physics: Questions 25 - 32 of 382

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Question number: 25

» Physics and Measurement » Errors in Measurement

MCQ▾

Question

Which of the following cannot be resultant of 5 and 10?

Choices

Choice (4) Response

a.

5

b.

8

c.

2

d.

7

Question number: 26

» Oscillations and Waves » Longitudinal and Transverse Waves

MCQ▾

Question

Light waves are transverse, because they –

Choices

Choice (4) Response

a.

Are not polarized

b.

Reflect

c.

Refract

d.

Are polarized

Question number: 27

» Electromagnetic Induction & Alternating Currents » Peak and RMS Value of AC

MCQ▾

Question

An electric lamp is connected to , supply. The peak voltage is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 28

» Physics and Measurement » Fundamental and Derived Units. Least Count

MCQ▾

Question

Which of the following is not a unit of time?

Choices

Choice (4) Response

a.

Nano – second

b.

Micro second

c.

Light year

d.

Hour

Question number: 29

» Current Electricity » Electrical Resistance

MCQ▾

Question

When current flows in a conductor, then the ratio of the intensity of electric field at any point within the conductor and the current density at a point is called –

Choices

Choice (4) Response

a.

Inductance

b.

Specific resistance

c.

Resistance

d.

Conductance

Question number: 30

» Atoms and Nuclei » Atomic Masses

MCQ▾

Question

What is the mass of a silver atom? (Avogadro’s number and atomic mass of silver )

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 31

» Properties of Solids & Liquids » Heat Transfer » Convection

MCQ▾

Question

Davy’s safety lamp is based on –

Choices

Choice (4) Response

a.

Radiation

b.

Conduction

c.

Polarization

d.

Convection

Question number: 32

» Atoms and Nuclei » Energy Levels

MCQ▾

Question

If an electron jumps from 1st orbit to 3rd orbit, then –

Choices

Choice (4) Response

a.

Release energy

b.

Absorb energy

c.

No gain of energy

d.

No loss of energy

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