Magnifying power of microscope

Image formed in terrestrial telescope is

which cells of eye decides Intensity of light

Relative humidity is measured by

1 calorie

The radiant energy emitted by a black body per unit area per unit time is directly proportional to the fourth power of its absolute temperature

The ratio of emissive power to absorptive power is same for all surfaces at the same temperature and is equal to emissive power of black body at the temperature

due to cohesive force between its molecule

Heat is transferred by the actual movement of particles of the movement from one place to another place

When a body is immersed partly or wholly in a liquid a force acts on body by the liquid in the upward direction

Bulk modules of elasticity

If a particles repeats is motion after a regular time interval about a fixed period

Young's modules of elasticity

what kind of Lens is used in astronomical Telescope

which cells of eye distinguish color of light

If the particles of medium vibrate perpendicular to the direction of wave then the wave is called

Amount of heat required to raise the temperature of 1G of pure water through 1°c

If light is propagating from denser medium towards rarer medium and angle of incidence is more than critical angle , then the light incident on the boundary is reflected back in the denser medium

Shining of air bubble is due to

Earth's Atmosphere is heated by

electromagnetic waves of wavelength range from 10-³ to 10-² is called

How many lens are there in astronomical Telescope

wavelength range of electromagnetic wave is

No of oscillation body in unit time interval is called

In case of streamline flow of uncompressible and non viscous fluid through a tube , total energy per unit volume of fluid is same at all points

Sparkling of diamond is due to

The restoring force per unit area setup inside the body subject to deforming form

1 Kelvin

when temperature of water is increased from 0°c to 4°c its volume

Viscosity of ideal fluid is

Waves which require material medium for their propagation

Viscosity arises with

Wave which do not require medium for their propagation, which can propagate through vaccum

The force which oppose the relative motion between different layers of liquid or gases

1 Barometer equals to

Farhenheit

Any motion which repeats itself after regular interval of time

The SI unit of Viscosity is

Mercury thermometer ranges from

As a result point in one plane of object appear in focus while those in other plane are out of the focus

In liquid & Gases heat transfer takes place by

Rigidity modules

mechanical wave is of how many Types

Elastic constant is of how many types

Transfer of heat from one place to other place is called

Freezing point of mercury is

waves produced by a moving motor boat on the surface of water is

In this method transfer of heat takes place with the speed of light without affecting the intervening medium

The physical quantity which express the position as well as direction of motion of the particles at that instant with respect to its equilibrium postion

A pressure which is exerted by a mercury column of 76cm length at 0°c at 45° latitude at sea level

If the chances are taking place in the system in such a way that temperature of the system remains constant throughout the change

When a body is immersed partly or wholly in a liquid , there is an apparent loss in the weight of the body which is equal to the weight of the liquid displaced by the body

Time after which motion is repeated is called

It is the disturbance while propagates energy from one place to other without the transport of matter

Under elastic limit , stress is proportional to strain is given under whose law

If a fluid is flowing in such a way that velocity of all the fluid particles reaching a particular point is same at all time , then the flow of fluid is said to be

It is property of liquid by virtue of which it opposed the relative motion between its different layers

In solid heat transfer takes place by

Amount of heat required to raise the temperature of 1pound of pure water through 1°F

If the changes are taking place in the system in such a way that there is no exchange of heat energy between the system and the surrounding

F/A

Process of conversion of vapour into solid is called

Atmospheric pressure is measured by

The max velocity upto which fluid motion is streamline is called

Miraze & looming is due to

Time taken in one complete oscillatory is called

Heat is transferred from one place to other place by the successive vibrations of the particles of medium without bodily movement of the particles of the medium

Whole of the heat can never be converted into work

The relative change in Dimension or shape of a body which is subjected to stress

This microscope consists of two convex lens coaxially fixed in hollow tube

Preezing point of alcohol is

In this people cant see near as well as far object

Relative humidity increases with

It causes due to difference in radii of curvature of cornea in different planes

If the particles of the medium vibrate in the direction of propogation

If the temperature of water is increased above 4°c its volume starts

Platinum thermometer ranges from

Steam produce more severe burn than water at same temperature due to

In myopia what kind of Lens is used

amount of heat heat required to raise the temperature of 1G of pure water from 14.5°C to 15.5°C

device used to measure rate of flow of fluid

It measures the temperature of the body by measuring the colour of radiation emitted by the body

The force of attraction between the molecule of different substance

The heat required to increase the temperature by unity is called

Normal force on surface / Area of the surface

The highest speed achieved by an object freely falling through a gas or liquid

Optical telescope was discovered by

In hypermetropia what kind of Lens is used

Due to movement of particles a current of particles set up which is called

Thermocouple thermometer ranges from

The force of attraction between the molecule of same substance

The center of gravity of a liquid displaced by a body is called

Final image of astronomical Telescope is

who was the first to use optical telescope systematically

Due to diffusion of its molecule from one layer to another layer

waves are of how many types

In this cylindrical Lens is used

Lens of human eye forms which type of image

The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surrounding

Heat by itself can not flow from a body at lower temperature to the body of higher temperature