Oscillations and Waves-Simple Harmonic Motion [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 39 - 42 of 97

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Question 39

Question MCQ▾

A body is performing simple harmonic motion of amplitude and time period . The figure shows position-time graph of the body. At any time , acceleration of the body f, then which of the following graphs is is/are appropriate?

Simple Harmonic Motion

Choices

Choice (4)Response

a.

Simple Harmonic Motion Option A

b.

Simple Harmonic Motion Option B

c.

Simple Harmonic Motion Option C

d.

Simple Harmonic Motion Option D

Edit

Question 40

Question MCQ▾

Path difference between two wave fronts emitted from coherent sources is . Phase difference between the wavefronts at that point is . Wavelength of light emitted by source will be

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 41

Question MCQ▾

In the figure, a smooth pulley of negligible weight is suspended by a spring balance. Masses of and are attached to the opposite ends of a string passing over the pulley and move with some acceleration. During their motion, the spring balance reads a weight of

Weight Balance

Choices

Choice (4)Response

a.

b.

c.

More than 6 kg

d.

May be more or less than 6 kg

Edit

Question 42

Appeared in Year: 2022

Question MCQ▾

One end of a massless spring of spring constant k and natural length is fixed while the other end is connected to a small object of mass m lying on a frictionless table. The spring remains horizontal on the table. If the object is made to rotate at an angular velocity about an axis passing through fixed end, then the elongation of the spring will be:

(Phase 1 27 June Evening Shift)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit