Physics Test 31
Total Questions: 25
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A ) Petrol
B ) Kerosene ✅
C ) Gasoline
D ) Diesel
A ) Of an illusory effect
B ) Silver is an almost pure material
C ) Silver is a very good heat conductor ✅
D ) It is made of a denser material
A ) Of the property of surface tension
B ) Of capillary action
C ) Of the action of atmosphere pressure ✅
D ) There is a force of cohesion between the liquid molecules and the glass syringe
A ) The weight is proportionate to the steam required
B ) Area of contact is small ✅
C ) The weight stops the steam from escaping
D ) Of Bernoulli's principle
A ) The chemical reaction between the enclosed gases
B ) The compressed gases rushing out suddenly
C ) The air rushing in to fill the evacuated space ✅
D ) None of these
A ) The bomb traverses a curved path and falls some distance behind that point
B ) The bomb traverses a curved path and falls some distance ahead ✅
C ) The bomb drops vertically downward
D ) The bomb remains stationary in the air for sometime
A ) Frequency and wavelength
B ) Frequency and speed
C ) Wavelength and speed ✅
D ) Frequency , wavelength and speed
A ) Exactly in hands of the person ✅
B ) Outside the cars
C ) In the car behind the person
D ) In the car ahead of the person
A ) No chain reaction takes place in nuclear reactor while in the atomic bomb there is a chain reaction
B ) No chain reaction takes place in atomic bomb while it takes place in nuclear reactor
C ) The chain reaction in nuclear reactor is controlled ✅
D ) The chain reaction in nuclear reactor is not controlled
A ) The appliances will not get full voltage
B ) The appliances will not get proper current
C ) This can damage the appliances
D ) This can damage the domestic wiring due to overheating ✅
A ) Water in sea is hard water
B ) Larger quantity of water in the sea pushes the ship upward
C ) Density of sea water is lower than that of the river water
D ) Density of sea water is higher than that of the river water ✅
A ) Metal reflects radiowaves
B ) Spark plug creates electromagnetic disturbances ✅
C ) Passing vehicle affects the sophisticated TV components
D ) Modern vehicles use electronic ignition system
A ) High temperature
B ) Low temperature
C ) High pressure outside the body
D ) Low pressure outside the body ✅
A ) To keep the vehicle on the road
B ) To make the centre of gravity falls with the base
C ) To produce the necessary centripetal force required to keep him moving in a curved path ✅
D ) None of these
A ) Insulation
B ) Solar radiation ✅
C ) Solar heat
D ) Thermal radiation
A ) Issac Newton
B ) Albert Einstein ✅
C ) Galilee
D ) Robert Hook
A ) Law of Planetary Motion
B ) Laws of Motion and Laws of Gravitation ✅
C ) Law of Geometry
D ) None of these
A ) British ✅
B ) Dutch
C ) Italian
D ) French
A ) Forces acting on bodies ✅
B ) Movement of bodies
C ) Angle of bodies ✅
D ) Shape of bodies
A ) Washing soda
B ) Gypsum ✅
C ) Common salt
D ) Plaster of Paris
A ) Movements of earth
B ) Movement of bodies ✅
C ) Angles of bodies
D ) Forces acting on bodies
A ) Tachometer ✅
B ) Pyrometer
C ) Udometer
D ) Lactometer
A ) Ionosphere ✅
B ) Troposphere
C ) Hydrosphere
D ) Stratosphere
A ) 500 km/s
B ) 550 km/s ✅
C ) 610 km/s
D ) 710 km/s
A ) Seismograph
B ) Polygraph
C ) Manometer
D ) Galvanometer ✅