Question # 1

Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at

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125 K

25 K

263 K

163 K

The path described by a projectile is called its

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orbit

trajectory

range

distance

The law of conservation of energy gives us

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equation of continuity

Bernoulli's theorem

both of them

none of them

The basic circuit element in A.C. circuits are:

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Resistor and capacitor

Resistor and Inductor

Capacitor only

Both (B) and (C)

None of these

Electric lines of force

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Intersect each other

Are always parallel

Are always anti-parallel

Never intersect

None of these

Amplitude in SHM is equivalent to ______ in circular motion

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Diameter

Radius

Circumference

None of these

The restoring force is always directed towards:

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Rest position

Equilibrium position

Mean position

All of them

In the above figures, tell which set is graphs shows that a body is moving uniform velocity:

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(i) and (ii)

(ii) and (iii)

(i) and (iii)

(ii) and (iv)

If A represents linear momentum and c, the velocity of light, then unit of pc in international system of units is:

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Newton

Joule

Joule-Sec

Joule-s^-1

Watt

Battery is charged in motor cars, which is based on

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Chemical effect

Magnetic effect

Electric effect

None

The pressure exerted by the gas is

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directly proportional to the P.E

inversely proportional to the P.E

inversely proportional to the K.E

directly proportional to the K.E

If the bright fringe into be observed then we have relation

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Y = mLd/λ

Y = mλL/d

Y = λd/mL

Y = λL/md

Wb/m² is equal to

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Henry

Watt

Tesla

Dynes

Glass is an example of

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crystalline solid

amorphous solid

polymeric solid

none of them

Bulk modulus for glass is

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2

31

36

42

The regular array of atoms in a crystal has spacing of the order of

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10^-16m

10^-14m

10^-10m

10^-6m

In projectile motion, the acceleration in horizontal is

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Maximum

Minimum

Zero

None of these

The symbol for radian is

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rad

Rad

rd

rdn

Angular momentum has the same unit as

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Impulse x distance

Linear momentum x time

Work x frequency

Power x time

A satellite moving round the earth constitutes

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Inertial frame of reference

Non-inertial frame of reference

Neither inertial nor non inertial

Both A, B

A motor operates at 20 rev/s. What is power delivered by it? If it supply a torque of 75 Nm

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75 W

85 W

90 W

9.4 x 10³W

The gravitational acceleration decreases inversely as the distance from the centre of the Earth is

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Square

One time

Three times

None of these

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