Generate Quiz 6A182B3365EF6

1 / 10

What is the factor upon which change in internal energy of an ideal gas depends?

Elimination Tool

A) Change in volume

B) Change in temperature and volume

C) Change in temperature

D) Path followed to change internal energy

2 / 10

Two sitar strings, A and B, are playing the note ‘Ga,’ are slightly out of tune and produce beats of frequency 6 Hz. The tension in the string A is slightly reduced, and the beat frequency is found to reduce to 3 Hz. If the original frequency of A is 324 Hz, what is the frequency of B?

Elimination Tool

A) 405

B) 402

C) 395

D) 318

3 / 10

In an experiment the dimensions of a rectangular plate is measured with a meter rule (accurate to +- 0.1 cm). If the length of the plate is measured 16.3 cm, the number of significant figures will be:

0

1

2

3

4 / 10

Which surface will absorb more light?

Elimination Tool

A) Yellow painted

D) Black painted

B) Blue painted

C) White painted

5 / 10

When the source is at the centre of the circle and the observer is moving on the circumference of circle, the sound heard by observer

Elimination Tool

A) Same

B) Different

C) Increasing

D) Decreasing

6 / 10

Three objects are brought close to one another, two at a time. When objects A and B are brought together, they attract. When objects B and C are brought together, they repel. Which of the following are necessarily true?

Elimination Tool

A) Objects A and C possess charges of the same sign

B) Objects A and C possess charges of opposite sign

C) All three objects possess charges of the same sign

D) Additional experiments must be performed to determine information about the charges on the objects

7 / 10

The question is as follows:

Elimination Tool

A) 1250 J

B) l000J

C) 3500J

D) 2500 J

8 / 10

Bimetallic thermostat is an example of:

Elimination Tool

A) Electric field

B) Thermal expansion

C) Heat engine

D) Isobaric process

9 / 10

A sound wave of frequency f and wavelength λ travels through the air. It may be assumed that its speed is independent of the frequency. Which graph correctly shows the variation of f with λ?

Option A

Option B

Option C

Option D

10 / 10

The half life T of a radioactive element is that period which is of the atoms decay.

Elimination Tool

A) Nine times

B) Double

C) Half

D) 4 times

Your score is

0%

Generate Quiz 6A182B3365EF6

PLS Academy App!

QUICK LINKS

PREP

COURSES

SUPPORT