Solid whose specific heat is to be determined is heated uniformly up to a fixed temperature in a hypsometer. It is then dropped in a calorimeter containing known quantity of cold water and the temperature of mixture is recorded. The hot solid will lose heat whereas calorimeter and cold water will give heat till the temperature becomes same throughout.
The above passage is the theory of
the experiment to determine the rate of cooling of a solid
the experiment to determine the latent heat of vaporisation of a liquid
the experiment to determine the latent heat of fusion of a solid
the experiment to determine the specific heat of a solid
Get Answer
Which type of motion possesed by axis of the screw gauge?
Linear motion
Translatory motion
Rotation motion
None of these
When screw rotates then axis moves front or back i.e. linear motion.
The shape of stress vs strain graph within elastic limit is
parabolic
straight line
curve
ellipse
Within elastic limit it obeys Hooke's Law i.e., stress strain.
The temperature of water in the experiment to determine the surface tension of water by capillary rise method remains constant because it affects the
density
surface tension
angle of contact
both density and surface tension
If temperature increases density decreases and surface tension decreases
Specific heat of a solid does not depend on which of the following factors?
Mass of the solid
Temperature increase of solid
Nature of the solid
Volume of the solid.
Specific heat so it depends on mass and temperature difference but not on the volume.
When the specific heat of a solid is measured by the method of mixture, the heat is lost to surroundings from the calorimeter by the process of
radiation
conduction
convection
both conduction and convection.
The surface of the calorimeter is exposed to the air. So heat is lost from the surface by radiation.
The Young's modulus of a wire is determined by the apparatus known as
Kater's pendulum apparatus
Poiseuille's apparatus
Maxwell's needle
Searle's apparatus
It is the Searl's apparatus which is used to determine the Young's modulus of a wire.
Which formula is used to calculate the co-efficient of viscosity of a given liquid in the laboratory (symbols have their usual meanings)?
The coefficient of viscosity of a given liquid is obtained by the following formula
The surface tension of water is determined by capillary rise method in the laboratory. The principle involved is (symbols have their usual meanings)
The surface tension of water in the laboratory is determined by the following relation
Consider the following statements regarding the experiment to determine the surface tension of water by capillary rise method.
1.Capillary tube should be clean and liquid should be free from dirt and grease.
2.Distilled water should be avoided.
Choose the correct option.
Only 1 is correct.
Only 2 is correct
Both 1 and 2 are correct.
Neither 1 nor 2 is correct.
Both the statements are precautions to be taken during the experiment.
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