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Physics

Physics
Which among the following determines the pitch of a sound?

Loudness
Frequency
Wavelength
Amplitude

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Physics
Which of the following is an example of continous emission spectrum?

Spectrum of a water
None
Spectrum of an oil frame
Both

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Physics
The focal length of a concave mirror with a radius of curvature of 20.0 cm is :

20 cm
10 cm
15 cm
5 cm

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Physics
1 Micron is equal to

10–9 m
10–15 m
10–12 m
10–6 m

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Physics
An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is

10 J
25 J
40 J
20 J

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Physics
One nanometer is equal to

10-5m
10-8m
10-9m
10-6m

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