Physics Test 29
Total Questions: 24
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A ) Cool air
B ) Warm air
C ) Cold water
D ) Steel ✅
A ) Ammeter
B ) Fluxmeter
C ) Galvanometer ✅
D ) Voltmeter
A ) Aluminum
B ) Copper ✅
C ) Iron
D ) All of these
A ) 500°C
B ) 1,000°C
C ) 2,000°C
D ) 3,000°C ✅
A ) Interference of light waves ✅
B ) Refraction of light
C ) Reflection of light
D ) None of above
A ) The kinetic energy of the car is increasing
B ) There is no unbalanced force acting on the car ✅
C ) Forces are acting on the car
D ) The car is being accelerated
A ) Twist itself into a helix
B ) Not bend at all
C ) Bend towards the metal with higher thermal coefficient of expansion
D ) Bend towards the metal with lower thermal expansion coefficient ✅
A ) Transistor
B ) Balance wheel
C ) Crystal oscillator ✅
D ) Diode
A ) It is due to incandescence ✅
B ) It is due to ionisation of gases
C ) It has more surface for distribution of energy
D ) It gives white light
A ) Reflection of sound ✅
B ) Absorption of sound
C ) Reflection of radio-waves
D ) None of these
A ) Internal energy of the body
B ) Heat and dissipated
C ) Potential energy of the body ✅
D ) Heat as well as potential energy
A ) Black ✅
B ) Green
C ) Red
D ) Violet
A ) Neon
B ) Freon/ammonia ✅
C ) Spirit
D ) None of these
A ) Newton ✅
B ) Einstein
C ) Archimedes
D ) Galileo
A ) Copper
B ) Iron ✅
C ) Nickel
D ) Cobalt
A ) Atom ✅
B ) Molecules
C ) Compound
D ) All
A ) Mechanical energy into electrical energy ✅
B ) Electrical energy into mechanical energy
C ) Mechanical energy into magnetic energy
D ) None of these
A ) It has the longest wavelength and can be easily noticed from a long distance ✅
B ) It is beautiful
C ) It is visible to people even with bad eyesight
D ) None of these
A ) They contain free electrons ✅
B ) The atoms are lightly packed
C ) Thay have high melting point
D ) All of the above
A ) It Amy cause another shirt circuit ✅
B ) It may cause hydrolysis
C ) It may cause electrocution
D ) It will spoil the wiring
A ) Compression ✅
B ) Electrical spark
C ) Dynamo
D ) Battery
A ) Clouds prevent radiation of heat from ground to air ✅
B ) Of low atmospheric pressure
C ) Of the compact density of air
D ) More dust particles gather in the air
A ) It is very cold there
B ) The density of air is much less on the hills so oxygen content is reduced ✅
C ) The density of air is high on the hills reducing oxygen content
D ) None of these
A ) Low pressure
B ) Low humidity ✅
C ) High wind velocity
D ) Low temperature