Question # 1

Physicist George Simon ohm was a

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German physical

French physicist

Chinese physicist

Russian physicist

The short distance between two points direction from its initial point to final point is called:

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Velocity

Displacement

Speed

Distance

Tick the conservative force:

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tension in a string

Air resistance

Elastic spring force

Frictional force

The SI units of momentum is

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kg m s^-2

kg ms

kg m s²

N-s

According to Rutherford atomic model, the positive charge in an atom

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is concentrated at its centre

is in the form of positive electron at same distance from its centre

is spread uniformly through its volume

none of these

Free oscillations are always produced by:

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An applied force

Gravitational force

Restoring force and inertia

Inertia only

Time period of a simple pendulum depends upon the

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length of the pendulum

acceleration due to gravity

none of them

both of them

Lyman series in the spectrum of hydrogen exists in the :

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Infra-red region

Visible region

Ultraviolet region

Both(A) and (B)

None of these

Which of the following can become a good permanent magnet

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iron

steel

both of them

none of them

At high altitude the blood oozes out of the nose and ear because

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The blood pressure increase at high altitudes

The percentage of oxygen in the air increase

The atmospheric pressure decrease there

The density of blood decrease at high altitudes

Addition of 2.189 kg, 0.089 kg, 11.8 kg, and 5.32 kg gives the rounded off answer as:

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19.398

19.400

19.4

19.3

The rotational analogue of force in linear motion is given by

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Torque

Linear momentum

Moment of inertia

Angular momentum

The path difference and phase difference are related to each other as

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Phase difference = (2π) x path difference

Phase difference = (2π/λ) x path difference

Phase difference = (λ/2) x path difference

Phase difference = (2λ/π) x path difference

The blood flow is laminar at

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Normal blood pressure

Systolic blood pressure

Diastolic blood pressure

High blood presure

Zero order image formed by the grating when the angle the along the direction of normal to grating is

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Zero

90^o

180^o

None of these

The ratio of the diameter of two convex lenses is the ratio of their focal lengths

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Greater than

Less than

Equal to

None

A force of 10 N displace an object by 10 m.If work done is 50 J then direction of force makes an angle with direction of displacement.

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120°

90°

60°

None of these

Hails fall faster than rain drops due to their

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Greater size

Greater mass

Greater area

None of these

Diameter of the nucleus is of the order of

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10^-10m

10^-12m

10^-15m

10^-18m

A light and a heavy body have equal momentum which one has greater kinetic energy

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Light body

Both has equal K.E

Heavy body

Cannot predict

Pressure exerted by a gas on the walls of its container is due to

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Adhesion between the gas molecules and the container

Cohesion between the gas molecules and the container

Collision between the gas molecules and the container

Surface tension of the gas

A magnetic field

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Always exerts a force on a charged particle

Never exerts a force on a charged particle

Exerts a force on a charged particle if it is moving across the magnetic lines of force

Exerts a force on a charged particle if it is moving along the magnetic lines of force.

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