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Physics

Physics
Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds

11
0.5
1
5.5

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Physics
The Hydraulic Break works on the principle of ________ .

Bernouli's law
Boyle's law
Coulomb's law
Pascal's Law

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Physics
The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ?

24 A
0.41666666666667
8.5 A

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Physics
Radioactive elements can be traced out in living cell through a technique called

All listed here
Auto radiography
Chromatography
Centrifugation

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Physics
The layer of atmosphere used for radio-wave transmission is

Troposphere
Chromosphere
Ionosphere
Stratosphere

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Physics
The quality or tone of a musical sound produced by a stringed instrument depends on

Frequency of vibration
Wave form of the sound
Amplitude of vibration
Length of the strings in the instrument

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