Questions

A 0.108 mol of sample gas has a volume of 0.505 L at 20°C. What is the pressure exerted by it?
General Science
Physics
SI unit of latent heat is
General Science
Physics
Which of the following is used to measure heat radiation?
General Science
Physics
doesn't required any mode for heat transfer
General Science
Physics
The atmosphere of the earth is heated by the process of
General Science
Physics
Which statements are true about the speed of sound in different media at 25° C
General Science
Physics
On heating one end of iron rod, other end also gets heated. Such materials are called
General Science
Physics
Why the surface of a lake is frozen in severe winters, but the water at its bottom is still at liquid state?
General Science
Physics
The chimney used in the kitchen or a factory work on which of the following principle?
General Science
Physics
Latent heat corresponds to the change in heat at constant
General Science
Physics
In an earthen pitcher, the water remains cold due to the process of
General Science
Physics
What temperature are Fahrenheit and Celsius equal?
General Science
Physics
On a hot summer afternoon, the tent made up of fabric will be preferred as white colour is
General Science
Physics
The rate of energy transferred by convection to that by conduction is known as
General Science
Physics
Which law of thermodynamics defines the concept temperature?
Physics
Thermal Properties of Matter
Which of the following is a process in which hot, less dense materials rise upward and are replaced by colder
General Science
Physics
What is the process of conversion from solid to gas is known as?
General Science
Physics
The commercial unit of electrical energy is
General Science
Physics
In liquids, a small fraction of particles at the surface have
General Science
Physics
What is the least count of a metric ruler/scale?
General Science
Physics
Which of the following quantities is scalar in nature?
General Science
Physics
The principle of gyroscope is NOT used in a
General Science
Physics
Rate of change of displacement is known as
General Science
Physics
The standard unit for measuring the frequency of a sound wave is
General Science
Physics
When the length of the wire is doubled the ammeter reading is reduced by
General Science
Physics
Which of the following is the CGS unit of Acceleration?
General Science
Physics
Which of the following quantities does not have dimensions?
General Science
Physics
Coulomb is the SI unit of
General Science
Physics
Work done upon a body is
General Science
Physics
Which of the following is the unit of the amount of substance?
General Science
Physics
How many fundamental units are there?
General Science
Physics
If the image formed by a spherical mirror is virtual, then the magnification value is
General Science
Physics
Which of the following is responsible for most of the refraction of light rays entering our eyes?
General Science
Physics
An object is placed in front on a concave mirror at a point between its focus and centre of curvature
General Science
Physics
Light can travel ______ km in a year
General Science
Physics
A ray of light passes from water to glass. It bends
General Science
Physics
Which one of the following colours of white light is least deviated by the glass prism?
General Science
Physics
When a ray of light is incident on a reflecting surface and if the reflected ray is at an angle of
General Science
Physics
Which of the following does not involve Total Internal Reflection?
General Science
Physics
Which among the following is an example of Diffraction?
General Science
Physics
Which combination of colour is the most convenient during day and night time?
General Science
Physics
Which is the only event to prove that light is a transverse wave
General Science
Physics
What is the velocity of light in a diamond if the refractive index of diamond with respect to vacuum is 2.5
General Science
Physics
An object is placed at a distance of 10 cm in front of a double convex lens
General Science
Physics
Which of the following does not affect the value of acceleration due to gravity?
General Science
Physics
The gravitational force between two objects depends on the
General Science
Physics
The gravitational potential difference between the surface of a planet and a point 20 m above it is 16 J/kg
General Science
Physics
The point where the entire weight of an object acts is known as the
General Science
Physics
In which region of the earth, the weight of a body is slightly greater than any other region?
General Science
Physics
If the mass of a person is 60 kg on the surface of earth then the same person's mass on the surface of the moon will be
General Science
Physics