Question # 1

Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as

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IT = 10^-4G

IT = 10⁵G

IT = 10³G

IT = 10⁴G

The magnetic field outside the solenoid due to current is

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strong

zero

weak

uniform

The heat required to raise the temperature of one mole of the substance through 1 K is called

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heat capacity

specific heat capacity

molar specific heat

all of them

The waveform of alternating voltage is a:

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Square

Rectangular

Saw-tooth

Sinusoidal

None of these

Thermocouple is an arrangement of two different metals

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To convert heat energy in to electrical energy

To produce more heat

To convert heat energy into chemical energy

To convert electric energy in to heat energy

Compton derived an expression to find compton shift by applying to the process, the law of conservation of:

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Energy only

Momentum only

Mass only

Charge only

Both (A) and (B)

An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:

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100 m/sec

140 m/sec

1960 m/sec

196 m/sec

If an iron ball and a wooden ball of the same radius was released from a height 'h' in vacuum, then time taken by both of them to reach ground will be

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Unequal

Exactly equal

Roughly equal

Zero

Which of the following diodes can operate in the reverse biased condition

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photo diode

light emitting diode

photo voltaic cell

none of these

Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid

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speed

height

none of them

both of them

Where the streamlines are very close to each other, the pressure will be

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low

zero

high

all of them

The ratio of linear stress/linear strain is called as

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Young's modulus

Bulk modulus

Shear modulus

Modulus

Length can not be measured by

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Fermi

Debye

Micron

Light year

Can two lights of car can produce interference

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Yes

No

Partly produce interference

None of these

Shear stress addresses to the:

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Volume changes due to the applied stress

Shape changes due to the applied stress

Length changes due to the applied stress

All of the above

The product of pressure P and volume V of an ideal gas is

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Constant

Approximately equal to the universal gas constant

Directly proportional to its temperature

Inversely proportional to its temperature

T in Kelvin=_______

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273+°C

273-°C

273+°F

273-°F

The capacitance of a parallel plate capacitor does not depend upon

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Area of plates

Medium between plates

Distance between plates

Metal of the plates

The dark areas retain their

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negative charges

positive charges

both positive and negative charge

none of these

In diesel engine no sparking device and no need of

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Heavy current unit

Spark plug

Instant starting

None of these

When θ = 0 in relation d sinθ = λ, the path difference between the rays coming out from the slits of the grating will be zero. So the image in this directions is

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Dark

Bright

Non image formed

None of these

The SI units of displacement is

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m

kg

ms^-1

None of these

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