NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1634 - 1638 of 5119

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Question 1634

Question MCQ▾

A simple harmonic motion is represented by . The amplitude of the S. H. M. is

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 1635

Question MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 1636

Question MCQ▾

A particle executes simple harmonic motion with an angular velocity and maximum acceleration of 2.5 rad/sec and 5.5 m/s2 respectively. The amplitude of oscillation is,

Choices

Choice (4)Response

a.

0.77 m

b.

0.88 m

c.

1.04 m

d.

0.28 m

Edit

Question 1637

Question MCQ▾

The length of a second՚s pendulum is 7 m. The spherical bob which is empty from inside has a mass of 150 gm. This is now replaced by another solid bob of same radius but having different mass of 100 gm. The new time period will be

Choices

Choice (4)Response

a.

4 sec

b.

5.30 sec

c.

4.43 sec

d.

2.38 sec

Edit

Question 1638

Question MCQ▾

Identify wrong statements among the following,

(1) The greater the mass of a pendulum bob, the shorter is its frequency of oscillation

(2) A simple pendulum with a bob of mass m swings with an angular amplitude of 40°. When its angular amplitude is 20°, the tension in the string is less than mg cos 200 .

(3) As the length of a simple pendulum is increased, the maximum velocity of its bob during its oscillation will also increase.

(4) The fractional change in the time period of a pendulum on changing the temperature is independent of the length of the pendulum.

Select the correct answers and mark it according to the following codes:

Choices

Choice (4)Response

a.

1 and 2 are correct

b.

1 and 3 are correct

c.

2 and 4 are correct

d.

1,2 and 3 are correct

Edit