Question # 1

The binding energy per nucleon is maximum for

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Helium

Iron

Potassium

Radium

The phase difference between the current and voltage at resonce is:

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0

π

-π

π/2

The north pole of a magnet is brought near a metallic ring. The direction of induced current in the ring will be:

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Antoclockwise

Clockwise

First Clockwise and then Antoclockwise

First anticlockwise and then Clockwise

Average value of current and voltage over a complete cycle is.

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Positive

Negative

Zero

Infinite

The peak to peak value of alternating voltage is

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2V_o

V_o

None of these

The conductor experience force, placed in magnetic above:

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Move towards weaker part of field

Move towards stronger part of field

Remains at rest

Move upwards in space

I amu =

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9.31 MeV

931 MeV

9.031 MeV

None of above

Compton's effect is associated with

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gamma rays

Beta rays

X rays

Positive rays

Thermosouple is an arrangement of two different metals:

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Two convert heat energy into electrical energy

To produce more heat

To convert heat energy into chemical energy

To convert electrical energy into heat energy

Electron vibrating 94,000 times each second will produce radio waves of frequency.

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94 Hz

940 HZ

94 Hz

490 Hz

A° is the unit of:

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Energy

Length

Nuclear energy

Work

Earth orbital speed is.

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10 km/s

20 km/s

30 km/s

40 km/s

Truth table of logic function.

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Summarize its output values only

Tabulates all its input conditions only

Display all its input and output possibility

Is not base on logic algebra

If current flowing through a solenoid becomes four times, then magnetic field inside becomes.

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two times

three times

four times

Half

The radius of 10th orbit in hydrogen atom is.

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0.053 nm

0.53 nm

5.3 nm

53 nm

Shear modulus is expressed as:

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G = tanθ/F/A

F/A/tanθ

F/tanθ

tanθ/A

The head produced by the passage of current through a resistor is.

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H= I²Rt

H = IR²t

H = 1/Rt

H = I²/Rt

1 kg mass will be equivalent to energy.

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9 x 10⁸ J

9 X 10¹² J

9 X 10¹⁶ J

9 X 10¹⁹ J

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