Question # 1

_____________ is an other unit of power.

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J

W

hp

W/J

The boiling point of mercury is:

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-10 ^oC

150^oC

375^oC

457^oC

Leslie's cube is a box of:

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Metal

Non-Metal

Wood

Metalloids

The value of absolute zero kelving temperature is:

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273^oC

273^oK

273^oF

-273^oC

Orbital velocity v_o =

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√gR

√RG

gR

gR²

Length of a rod is L∘ on temperature T∘. After heating upto temperature T, its length L becomes

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L = L∘ (1 + αΔT)

L = L∘ (1 + ΔT)

L = L∘ (1 - αΔT)

L = L∘ (1 -ΔT)

Heat reflected form the body depends upon :

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Colour and form

Form and speed

Color and speed

None

Decrease in atmospheric pressure predicts:

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Rainy condition

Intense condition

Windy Condition

Pleasant condition

The S.I unit of work is :

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J

N

Kg

m

When a hammer raised up its energy will be:

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Mechanical energy

Gravitational potential energy

Chemical energy

Nuclear energy

ΣF=0 is __________ condition of equilibrium:

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1st

2nd

Unstable

Stable

The formula of torque is:

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L= F x E

E = F x t

t = F x L

E = F x L

Outer edge of the curved road is elevated to prevent

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Circular motion

Centripetal force

Skidding

Protection

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