Question # 1

Heat capacity of 5 kg water is.

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2000 JK^-1

2100 JK^-1

21000 JK^-1

210000 JK^-1

The value of sin θ at an angle of 60o is

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0.5

0

0.707

0.866

The density of a substance can be found with the help of:

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Pascal's law

Hook's law

Archimedes principle

Principle of floatation

A ball of mass 1 kg moving wih velocity 2 ms^-1 its momentum will be;

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1 Ns

2 Ns

0.5 Ns

4 Ns

In SI units, the value of gravitational constant 'G' is

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6.673 x 10-9 Nm2 kg-2

6.673 x 10-10 Nm2 kg-2

6.673 x 10-11 Nm2 kg-2

6.673 x 10-12 Nm2 kg-2

S.I unit of pressure is Pascal which is equal to?

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10 Nm^-2

1 Nm^-2

10² Nm^-2

10³ Nm^-2

__________ forces have opposite direction:

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Unlike parallel

Parallel

Like parallel

None of these

S.I unit of specific heat is:

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Jkg^-1 K^-1

J^-1kg^-1K^-1

JkgK

Jkg^-1K

Energy cannot be destroyed however it can be converted into some other forms. This is known as:

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Law of heat exchange

Law of conservation of energy

Law of conservation of momentum

None of these

The units of electric current is.

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Candela

Metre

Second

Ampere

The main source of energy n the universe is:

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Moon

Stars

Sun

Planets

In prefix form, 0.000001 would be expressed as.

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0.1 mm

0.01 mm

0.001 mm

0.0001 mm

According to Archimedes principle the density of a substance is determined by using formula

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D = w1/w2 + w1 x p

D = w1w2/w2- w1 x p

D = w1/w2 - w1 x p

D = w1w2/w2- w1 x p

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