NEET Physics: Questions 1654 - 1657 of 2099

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2099 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 1654

» Electronic Devices » Semiconductors

MCQ▾

Question

The forbidden energy band gap in conductors, semiconductors and insulators are EG 1, EG 2 and EG 3 respectively. The relation among them is

Choices

Choice (4) Response
a.

EG 1 < EG 2 > EG 3

b.

EG 1 = EG 2 = EG 3

c.

EG 1 > EG 2 > EG 3

d.

EG 1 < EG 2 < EG 3

Question number: 1655

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

Question

The amplitude of a particle executing S. H. M. with frequency of 35 Hz is 1cm. The maximum value of the acceleration of the particle is

Choices

Choice (4) Response
a.

144π2cms2

b.

140π2cms2

c.

70π2cms2

d.

1.44πm2s2

Question number: 1656

» Oscillations and Waves » Displacement as a Function of Time

MCQ▾

Question

A simple harmonic motion is represented by F(t)=10sin(20r+0.5) . The amplitude of the S. H. M. is

Choices

Choice (4) Response
a.

A=5cm

b.

A=10cm

c.

A=30cm

d.

A=20cm

Question number: 1657

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

Question

A cylindrical piston of mass M slides smoothly inside a long cylinder closed at one end, enclosing a certain mass of gas. The cylinder is kept with its axis horizontal. If the piston is disturbed from its equilibrium position, it oscillates simple harmonically. The period of oscillation will be

Cylindrical piston of mass M

Cylindrical Piston of Mass M

In above figure we shows that cylindrical piston of mass M slides smoothly inside a long cylinder closed at one end, enclosing a certain mass of gas

Choices

Choice (4) Response
a.

T=2π[MPAh]

b.

T=2π[MAPh]

c.

T=2π[MhPA]

d.

T=2πMPhA

Sign In