The characteristic of sound that distinguishes between two sounds of same pitch and loudness is MCQ with Answer and Explanation

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The characteristic of sound that distinguishes between two sounds of same pitch and loudness is

A. Wavelength

B. Intensity

C. Quality

D. Frequency

Answer: Option C

Solution (By JKSSB Mock Tests)

Timbre or quality depends on waveform/harmonics. Different instruments same note sound different.

This question belongs to: Science Physics

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Question #1

Which of the following is a vector?

A. Distance

B. Energy

C. Displacement

D. Speed

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Correct Answer: Option C

Explanation:
Displacement has both magnitude and direction, vector. Distance is scalar (path length). Speed scalar. Energy scalar. Vector examples: velocity, force, acceleration.

This question belongs to: Science Physics

Question #2

A pendulum has time period 2 s. If its length is increased by 4 times, new period is

A. 1 s

B. 2 s

C. 8 s

D. 4 s

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Correct Answer: Option D

Explanation:
T ∝ √L, L'=4L => T' = √4 T = 2×2 = 4 s.

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Question #3

A transformer with 100 primary turns and 500 secondary turns is a

A. Auto transformer

B. Step-up transformer

C. Step-down transformer

D. Isolation transformer

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Correct Answer: Option B

Explanation:
Ns > Np => step-up. Vs > Vp.

This question belongs to: Science Physics

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