Sunday, 9 April 2017


1What is Maximum value of the wavelength of ultrasonic waves?1.65 cm
2If the density of water is 1 gcm-3 in C.G.S. System, what is its value in M.K.S. system?103 kg m-3
3The highest temperature is achieved in which type furnance?Electric
4What are the plants of tropical and sub-tropical regions called?Mesotherms
5Which group have quantities that do not have the same dimension?Force, Impulse
6Which is not electromagnetic in nature?Cathode rays
7Which phenomena is used in optical fibres?Total internal reflection
8If the earth were to skin faster, how does acceleration due to gravity at the poles?Remains the same
9How do fogs formed along the sea-coast?Due to advection
10Retina of the eye is comparable to which part of a traditional camera?Lens
11Which physical quantity have the same dimensions?Work and torque
12Which electromagnetic radiation has the smallest wavelength?Gamma rays
13In which process the internal energy of a system remains constant?Isothermal
14During adiabatic compression of a gas, what is the its temperature?Rises
15Which physical quantities do not have same dimensions?Force and Pressure
16If the momentum of a body is increased by 50%, how much will its K.E. will increase? 65292125%
17What is the principle by which a cooling system (Radiator) in a motor car works?Convection
18If an ideal gas is isothermally expanded, what will its internal energy?Remain the same
19Which law of thermodynamics introduces the concept of entropy?Second law
20If we move from the equator to a pole, what will be the value of g?Increases
21By which force can fat be separated from milk in a cream separator?Centrifugal force
22What does TV remote control unit use to operate a TV set?Radio waves
23One astronomical unit is the average distance between which bodies?Earth and the Sun
24Mac number is associated with which plane?Jet Plane
25For a body moving with constant speed in a horizontal circle, what remains constant?72 0KE (Kinetic Energy)
26Independent alternation of generation is found in which plant?Fern
27Which glass is used in bullet proof screens?Reinforced glass
28Thermal radiations are electromagnetic wave belonging to which region?Infrared region
29Which law directly explains the law of conservation of mass?Avogadro's law
30Which are the space waves are affected seriously by atmospheric conditions?UHF
31Rutherford's scattering experiment related to the size of which thing?Nucleus
32What is the permissible level of noise in a silent zone at daytime?75 dB.
33Why is Weightlessness experienced in spaceship?Due to absence of gravity
34Which year is celebrated as International Year of Astronomy?2009
35The Resistance of Human body (dry condition) is the order of -103 ohm
36Newton's Law of gravitation is defined by -Newton
37What is the unit of electrical conductivity?Mho
38Who discovered the link between electricity and magnetism?Michel Faraday
39Chemical Energy is converted into Electric EnergyBattery
40Tesla is the unit of Magnetic -Induction
41The substance having infinite electric resistance are called -Insulator
42What is the conductivity of super conductor?Infinite
43What is the resistance of an ideal voltmeter?Infinite
44Magnetic Keeper are the pieces of -Soft Iron
45Not Gate can be operated by -Single transistor
46The metal used in wires at domestic Level -Copper
47During electro refining, Pure Metal is collected atCathode
48A Conducting wire is -Neutral
49The process of connecting of wires is called -Combination
50In the resistance Colour code, the fourth band signifies -Tolerance level

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