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Physics General Science Questions and Answers

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Students Community
What is known as the persistence of sound in big hall from the walls, ceiling and floor?
Students Community, 2 years ago
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Students Community
If the pressure increases but temperature remains constant, how will the velocity of sound affected?
Students Community, 2 years ago
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Students Community
Which characteristic of sound differentiates between two sounds of same intensity and same frequency?
Students Community, 2 years ago
172
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Students Community
Among the shockwaves, ultrasonic waves and light waves, Doppler’s effect is not applicable?
Students Community, 2 years ago
180
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Students Community
Why people talking in one room can be heard in another room?
Students Community, 2 years ago
216
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Students Community
Out of wavelength, frequency and speed, which quantity does not change, when sound travels from one medium to another?
Students Community, 2 years ago
258
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Students Community
What is the repetition of sound caused by reflection of sound called?
Students Community, 2 years ago
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Students Community
If a bomb explodes on the Moon, after how much time sound will be heard?
Students Community, 2 years ago
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Students Community
What is the velocity of sound in vacuum?
Students Community, 2 years ago
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Students Community
What is the unit of loudness of sound?
Students Community, 2 years ago
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Students Community
Which of type electromagnetic waves is used in laser surgery?
Students Community, 2 years ago
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Students Community
Which type of waves travel in vacuum?
Students Community, 2 years ago
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Students Community
Which form of disturbance travels through a material medium or vacuum?
Students Community, 2 years ago
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Students Community
At mean position, what is the velocity of a particle executing simple harmonic motion?
Students Community, 2 years ago
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Students Community
Which type of motion is possessed by the motion of freely suspended bar magnet in the Earth’s magnetic field?
Students Community, 2 years ago
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Students Community
If the Earth rotates faster than its present speed, how will the acceleration due to gravity affected?
Students Community, 2 years ago
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Students Community
Who was the first to experimentally determine the value of the universal gravitational constant (G)?
Students Community, 2 years ago
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Students Community
If an object thrown from a height, then how will its weight get affected?
Students Community, 2 years ago
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Students Community
Where will be the weight of human body is minimum on the Earth?
Students Community, 2 years ago
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Students Community
What is the Moon’s Escape velocity?
Students Community, 2 years ago
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Students Community
What is the weight of a body at the centre of the Earth?
Students Community, 2 years ago
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Students Community
How will the value of g changes, as we go inside the surface of Earth?
Students Community, 2 years ago
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Students Community
When two bodies in the universe attract each other, then what do we call to this force of attraction?
Students Community, 2 years ago
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Brijmohan Pandey
What type of waves produced at a bottom of the sea due to explosion?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
Which type of oscillations takes place in the body under the influence of an external periodic force acting on it?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
What is the time period of simple pendulum, if the length of string becomes 4 times?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
What is the unit of moment of inertia?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
What is called the fixed point about which the rod of lever moves independently?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
A plough of farmer and ladder are the examples of which type of lever?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
What is increased by the spokes in the wheel of bicycle?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
In which type of motion, the position of centre of mass changes?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
At which point, the whole weight of the body is concentrated?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
A motor vehicle is moving on a circle with a uniform speed, what is the direction of net acceleration?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
Which physical quantities always remain constant during projectile motion?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
What is the initial velocity of an object, when it dropped freely from some height?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
What is the change in velocity per unit time?
Brijmohan Pandey, 2 years ago
119
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Brijmohan Pandey
What is the rate of change of displacement with respect of time?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
Due to which reason, ice inside the thermoflask does not melt?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
What is called the body that absorbs all the radiation incident on its surfaces?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
Transfer of heat by convection takes place in which state of matter?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
Due to which reason, ice is packed in sawdust?
Brijmohan Pandey, 2 years ago
227
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Brijmohan Pandey
Which quantity remains constant in isobaric process?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
A steam engine is an example of which type of heat engine?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
What is the temperature of the outermost layer of the Sun?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
Due to which reason, alcohol thermometer is better than mercury thermometer?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
At what temperature the centigrade and fahrenheit scales are equal?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
Due to the temperature difference, which form of energy is transferred?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
Why rain drops are spherical in shape?
Brijmohan Pandey, 2 years ago
256
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Brijmohan Pandey
What will happen to the level of water in a vessel, when a piece of ice floating in its melts?
Brijmohan Pandey, 2 years ago
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Brijmohan Pandey
If some object is weighed when submerged in water, then what will happen to its weight compared to its weight in air?
Brijmohan Pandey, 2 years ago
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