BITSAT Physics: Questions 28 - 34 of 313

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 313 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 250.00 or

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 E 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 =6.022×1023mol and atomic mass of silver =108 )

Choices

Choice (4) Response

a.

17.93×1026kg

b.

17.93×1033kg

c.

16.81×1029kg

d.

20.12×1031kg

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

Question number: 33

» Thermodynamics » Concept of Temperature

MCQ▾

Question

Equation for the change of state was given by –

Choices

Choice (4) Response

a.

Newton

b.

Clausius

c.

Joules

d.

Clausius – Clapeyron

Question number: 34

» Oscillations and Waves » Wave Motion

MCQ▾

Question

The equation of sound wave is y=0.0015sin(62.4x+316t) . The wavelength of this wave is –

Choices

Choice (4) Response

a.

0.4unit

b.

0.1unit

c.

0.3unit

d.

0.2unit

f Page
Sign In