Physics-
General
Easy
Question
ABCDEF is a regular hexagon. What is the value of 
- 0
The correct answer is:
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The resultant of the three vectors 
shown in figure.
The resultant of the three vectors shown in figure.
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In the figure, 
equals
In the figure, equals
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Elastic waves in solid are:
Elastic waves in solid are:
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The magnetic field at a distance r from a long wire carrying current I is 0.4 tesla. The magnetic field at a distance 2r is
The magnetic field at a distance r from a long wire carrying current I is 0.4 tesla. The magnetic field at a distance 2r is
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How much heat energy is gained when 5 kg of water at 20oC is brought to its boiling point (Specific heat of water = 4.2 kJ kg-1c-1)
How much heat energy is gained when 5 kg of water at 20oC is brought to its boiling point (Specific heat of water = 4.2 kJ kg-1c-1)
Physics-General
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Absolute zero (OK) is that temperature at which
Absolute zero (OK) is that temperature at which
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The value of 
is
The value of is
Physics-General
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A force of 50 N acts on the block at the angle shown in the diagram. The block moves a horizontal distance of 3.0 m. Then the work done by this force
A force of 50 N acts on the block at the angle shown in the diagram. The block moves a horizontal distance of 3.0 m. Then the work done by this force
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A cannon after firing recoils due to
A cannon after firing recoils due to
Physics-General
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A jet engine works on the principle of
A jet engine works on the principle of
Physics-General
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Newton’s first law of motion describe the following
Newton’s first law of motion describe the following
Physics-General
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Wavelength of B.B.C. is 15 m, find the frequency of the waves broadcast by it if velocity of radio wave is 3 × 108 m s–1.
Wavelength of B.B.C. is 15 m, find the frequency of the waves broadcast by it if velocity of radio wave is 3 × 108 m s–1.
Physics-General
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The wavelength of sound in air is 100 cm. Its frequency is:
The wavelength of sound in air is 100 cm. Its frequency is:
Physics-General
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When the system is in equilibrium, the net force is
When the system is in equilibrium, the net force is
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A bullet is fired from a rifle. If rifle recoils freely, the K.E. of rifle is
A bullet is fired from a rifle. If rifle recoils freely, the K.E. of rifle is
Physics-General
