Question :: Parsec is the unit of ____
(A) Speed of light
(B) Resistance
(C) Distance
(D) Time
Answer :: (C) Distance
Question :: If two bulbs, one of 60 W and other of 100 W, are connected in series combination then which bulb will glow more?
(A) 60 W
(B) 100 W
(C) two bulbs will glow same
(D) none of the above
Answer :: (A) 60 W
Question :: Which of the following instruments is used to measure velocity of wind?
(A) Pyrometer
(B) Hydrometer
(C) Anemometer
(D) Barometer
Answer :: (C) Anemometer
Question :: Which of the following is a ferromagnetic material?
(A) gold
(B) iron
(C) copper
(D) aluminum
Answer :: (B) iron
Question :: Pyrheliometer is used to measure ____
(A) solar irradiance
(B) air pressure
(C) extremely high temperature
(D) pressure of liquid on the surface
Answer :: (A) solar irradiance
Question :: When a light travels from denser to rarer medium
(A) it deviates away from normal position
(B) it deviates towards normal position
(C) it remains straight
(D) none of the above
Answer :: (A) it deviates away from normal position
Question :: Which of the following instruments is used to measure depth of the sea?
(A) Altimeter
(B) Hygrometer
(C) Carburetor
(D) Fathometer
Answer :: (D) Fathometer
Question :: Which of the following is not true about highly polished surfaces?
(A) good absorbers
(B) good reflectors
(C) bad absorbers
(D) bad emitters
Answer :: (A) good absorbers
Question :: Which of the following is a scalar quantity?
(A) Volume
(B) Velocity
(C) Displacement
(D) Force
Answer :: (A) Volume
Question :: Force is the product of _____
(A) Mass and velocity
(B) Weight and velocity
(C) Mass and acceleration
(D) Weight and acceleration
Answer :: (C) Mass and acceleration
Question :: The shape of rain drop is spherical because ___
(A) air pressure
(B) surface tension of water
(C) they comes from height
(D) none of the above
Answer :: (B) surface tension of water
Question :: Which of the following is the fastest way of transmission of heat?
(A) Conduction
(B) Convention
(C) Radiation
(D) All of the above
Answer :: (C) Radiation
Question :: Hygrometer is used to measure _____
(A) air pressure
(B) volume of water
(C) humidity of air
(D) intensity of light
Answer :: (C) humidity of air
Question :: Increasing the amount of a substance does not change its ___
(A) density
(B) volume
(C) weight
(D) none of the above
Answer :: (A) density
Question :: The speed of light is maximum in ____
(A) Air
(B) Glass
(C) Vacuum
(D) Nylon
Answer :: (C) Vacuum
Question :: The atmospheric pressure at the pole compared to the equator is ____
(A) equal
(B) low
(C) high
(D) same
Answer :: (C) high
Question :: Which of the following gas is used to fill an electric bulb?
(A) hydrogen
(B) helium
(C) argon
(D) nitrogen
Answer :: (C) argon
Question :: If the rotation rate of the earth increases, then the value of gravity (g) will ___
(A) decrease
(B) increase
(C) remains same
(D) None of the above
Answer :: (B) increase
Question :: Ozone layer are found in ____
(A) stratosphere
(B) troposphere
(C) ionosphere
(D) exosphere
Answer :: (A) stratosphere
Question :: The density of water is maximum at ___
(A) 0℃
(B) 4℃
(C) 32℃
(D) 100℃
Answer :: (B) 4℃
Question :: Which of the following is the best conductor of electricity?
(A) Glass
(B) Copper
(C) Aluminium
(D) Silver
Answer :: (D) Silver
Question :: Telescope was invented by ___
(A) Hypolite Pixii
(B) Hans Lippershey
(C) Newton
(D) Ruska Knoll
Answer :: (B) Hans Lippershey
Question :: The filament of an electric bulb is made of tungsten because ___
(A) it has low melting point
(B) it has high melting point
(C) it has high elasticity
(D) none of the above
Answer :: (B) it has high melting point