BITSAT Physics: Questions 104 - 109 of 382

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 382 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: 104

» Oscillations and Waves » Doppler Effect in Sound

MCQ▾

Question

The Doppler’s effect is applicable for

Choices

Choice (4) Response

a.

Sound waves

b.

Space waves

c.

Light waves

d.

Both a. and c. are correct

Question number: 105

» Properties of Solids & Liquids » Heat Transfer » Conduction

MCQ▾

Question

Two vessels of different materials are similar in size in every respect. The same quantity of ice filled in them gets melted in 20 minutes and 40 minutes respectively. The ratio of thermal conductivities of the metal is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 106

» Electromagnetic Induction & Alternating Currents » Induced EMF and Current

MCQ▾

Question

In an A. C. circuit the potential different across an inductance and resistance joined in series are respectively and . The total potential different across the circuit is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 107

» Laws of Motion » Impulse

MCQ▾

Question

A force of is acted on a body of mass which is at rest for an interval of , then impulse is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 108

» Atoms and Nuclei » Radioactive Decay Law

MCQ▾

Question

When an electron is emitted from a nucleus, then effect on its “neutron-proton” ratio is

Choices

Choice (4) Response

a.

Decreased

b.

Increased

c.

Remains same

d.

None of the above

Question number: 109

» Properties of Solids & Liquids » Calorimetry

MCQ▾

Question

If the surface tension of water is then the capillary rise in a tube of a diameter is

Choices

Choice (4) Response

a.

b.

c.

d.

f Page
Sign In