Question # 1

The minimum distance from eye at which an object appears to be distinct is

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Near point

Focal length

Image distance from lens

Object distance from lens

Height of geo stationary orbit of the satellite above the earth is.

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300 km

250 km

400 km

None of these

The resultant of two forces 30 N and 40 N acting parallel to each other is.

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30 N

40 N

70 N

10 N

The device used to study the spectra from different sources of light is

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Telescope

Optical fibre

Spectrometer

Microscope

The ratio of the velocities of wate in a pipe lying horizontally at two ends is 1 : 4 The ratio of diameters of pipe at these two ends is.

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1 : 2

2 : 1

1 : 4

4 : 1

The unit of work in base unit is

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Kg m-1 sec-2

Kgm sec-2

Kgm2 sec-1

Kgm-1 sec-1

The flow of a fluid is of

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One type

Two types

Three types

Four type

The ballistic missiles are used only for

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Long range

Short range

Medium range

Constant range

In simple harmonic motion the velocity of a particle is maximum at.

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Extreme position

Mean position

In between extreme and mean position

None of them

Environmental crisis are also known as

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Population crisis

Entropy crisis

War crisis

Mass crisis

The final image formed by a simple microscope.

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Virtual and inverted

Real and erected

Virtual and erected

Real and inverted

Motion of projective is

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One dimensional

Two dimensional

Three dimensional

Four dimensional

At constant temperature and pressure, if volume of given mass of a gas is doubled then density is.

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Doubled

1/4 original

1/2 of original

Unchanged

The fringe spacing in a double slit experiment can be increased by decreasing.

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Wavelength of light

Width of slits

Slit separation

Distance between the slits and the screen

When the amplitude of a wave become double, its energy becomes

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One half

Two times

Three times

Four times

The terminal velocity can be obtained by using

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Newton's law

Stock's law

Guass's law

None of these

The relation between the speed and hoop can be written as

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2

4

1/2

1/4

The periodic variations of sound between maximum and minimum loudness are called.

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Doppler's effect

reflection

Laplace correction

Beats

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11th Class Part 1 Physics Test Online MCQs With Answers

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