Practice Physics GS Questions and Answers

• In order to investigate the internal atomic structure of crystals, we make use of:
• A ray of light is incident on a transparent medium at an angle of 60°. The reflected ray of light is found to be completely Q.4 polarized. Then, the refra...
• A meter stick moves along its length with a certain speed. The apparent length of the moving meter stick as measured by a stationary observer on the ground...
• Which of the following materials exhibits piezoelectric effect?
• The experimental evidence that the electron exhibits wave-like characteristics was first provided by:
• Newton's rings can be obtained in:
• Which of the following materials is most suitable for marking electromagnetic and core of transformer?
• Which of the following optical phenomena CANNOT convert unpolarised light to plane polarised light?
• The Pointing vector of electromagnetic waves has the same dimensions as that of:
• The potential inside a charged hollow sphere is __________.
• ________ are the elements of group 18.
• What is the momentum of an object of mass 1/2 m, moving with a velocity of 2V?
• Going from fluorine to chlorine, to bromine and then to iodine, the electro negativity:
• Which of the following does not affect the value of acceleration due to gravity?
• If the distance between two consecutive crests is L, then the wavelength is given by______.
• Which one of the following is the equation for Velocity Time relation?
• If an agent does a work 'W' in time 't', then the power is given by:__________.
• A porter lifts luggage of 20 kg from the ground and puts it on his head 2 m above the ground. Calculate the work done by him on the luggage (take g = 10ms-...
• __________ is the metal used for making the filament of the light bulb.
• The mass and energy equivalent to 1 a.m.u. respectively are -
• A spherical ball made of steel when dropped in mercury container will –
• Gamma rays have greatest similarity with –
• In the absence of ozone layer, which rays will enter into atmosphere?
• An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton'...
• Tape recorder should not be kept near one of the following things –
• The surface tension of water on adding detergent to it –
• In a refrigerator, the cooling system should always be –
• Pycnometer is an instrument used to measure the –
• Rain drops acquire spherical shape due to -
• What is found in frequency modulation?
• When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance?
• Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by –
• Energy that is produced commercially from coal is called –
• Which among the following is not a characteristic of transition metals?
• Which one of the following is not a function of the liver?
• The term ‘Isoneph' indicates the lines of equal –
• A decibel is –
• If lift is going up with acceleration, the apparent weight of a body is -
• The rate of transfer of charges through a circuit is called?
• In MRI machine, which one of the following is used?