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Physics

Physics
What is the SI unit of Force?

Boyle
Watt
Pascal
Newton

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Physics
The fact that two large ships travelling on close parallel courses in the same direction tend to move towards each other can be explained by

Bernoulli's principle
Newton's third law of motion
Earth's gravitational force
Magnetic properties of the ship's material

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Physics
Sources of geothermal power are

Earth's heat
Water
Both A & B
None of these

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Physics
Mercury is commonly used as a thermometric fluid rather than water because

mercury has greater visibility than water
specific heat of mercury is less than water
density of mercury is more than the water
specific heat of mercury is more than water

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Physics
A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become

7C
C
C/7
14C

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Physics
The time period of a seconds pendulum is

0.5 second
1 second
1.5 second
2 seconds

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