Question # 1

The values 1 and 0 are designated as:

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Continuous values

Binary values

Boolean values

Decimal values

Either (B) and (C)

The amplitude of oscillation of each atom in a metallic crystal rises with the

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rise in temperature

decrease in temperature

even temperature remains constant

all of them

Unit of impulse in

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Newton

Kg m

Kg m/s

Joule

Density is defined as:

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Mass per volume

Volume per mass

Mass x volume

Mass per length

A ray passing through optical center of a lens, after refraction:

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Passes through focus

Go deviated

Retraces its path

Both B and C

A line which represents the direction of travel of a wave is known as:

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Spherical Wavefront

Locus

Ray

Either B or C

Electrons of an isolated atom are bound to the nucleus, and

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can only have distinct energy level

can only have same energy level

may or may not have distinct energy levels

none of these

The vibratory motion of a body whose magnitude of acceleration is directly proportional to the magnitude of its displacement and is always directed towards the equilibrium position is called

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rotatory motion

motion under gravity

angular motion

simple harmonic motion

Work is a Quantity

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Vector

Scalar

Non-physical

None of these

The range of wavelengths of colurs in the visible colours is

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140 nm to 456 nm

10 nm to 56 nm

410 nm to 656 nm

910 nm to 956 nm

None of these

Slope of velocity time graph represents:

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Acceleration

Speed

Torque

Work

Which one of the following is nearly monochromatic

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Light from candle

Light from simple lamp

Light from sodium lamp

Light from sun

Substances which undergo plastic deformation until they break, are known as

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brittle substances

ductile substances

plastic substances

neither of them

In 1986 a new class of ceramic material was discovered at temperature as high as

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19 K

78 K

108 K

12 K

In petrol engine, the fourth stroke is the

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Power

Compression

Exhaust

None of these

While dealing with the processes i thermodynamics, the working substances is usually:

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Oxygen gas

Hydrogen gas

Ideal gas

None of these

Which of the following can become a good temporarily magnet?

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iron

steel

both of them

none of them

If light of low wavelength is used in Young's double slit experiment then width of the fine will

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Decreases

Increase

Not fixed

No change

An accurate measurement is the one which has

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Percertainity

Less percentage uncertainty

Less fractional uncertainty

b and c

Geodesics, we mean to say that it is

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Circular path

Shortest straight line

Short distance two points on a spherical surface

All of these

The dimensions of force are

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[MLT^-1]

[M^oLT^-2]

[MLT^-2]

[ML⁰T^-2]

Newtons second law of motion is also called

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Law of inertia

Law of acceleration

Law of force

None of these

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