Physics Most Important One Liner Question and Answer part-11

Physics Most Important One Liner Question and Answer part-11

 

• What is an air pressure measuring instrument called – barometer
• Why the weightlessness is felt when the spacecraft revolves around the Earth - zero gravity
• What principle does the segmental Libra work on - the Hook rule
• Why the Earth has its own atmosphere - due to the force of gravity
• What is the stopping force of a vehicle when applying a brake - friction force
• Sea water has more salts than rain water because - rivers carry salts from the earth and pour it into the sea.
• What is the stored heat energy stored during the change of heat in a substance - kinetic energy
• photon whose basic unit is- Light
• Due to which huge amount of energy is released in the explosion of a nuclear bomb- the change of neutrons to protons
• Which has maximum mass- neutron
• What is the example of the motion of the body around a circular path - uniform vein, variable acceleration
• What principle does the rocket work on - Newton's Third Law
• What causes clouds to float in the atmosphere - low density
• Why the speeding wheel is an important part of the steam engine - helps the engine to keep the speed the same.
• What is the freezing point of fresh water - 0'C
• In which a real gas can act as an ideal gas - low pressure and high temperature
• What is the example of the speed of the wheels of a bullock cart while walking on the road - Transitional and rotational speed
• With whose help the purity of a metal can be determined - Archimedes' principle
• When two objects are placed at some distance, they feel the force of gravity against each other. If the distance between them is doubled from the first distance, then the force will be - 1/4 F
• Ineffective wave is formed by - two waves of the same shape, moving in opposite direction
• The minimum number of forces to keep a particle in equilibrium is – 2
• SHM It should be necessary in the system showing - both elasticity and inertia
• To easily open a door, its handle should be placed- The handle should be at a greater distance than the occupation to open the door easily.
• The driver of a vehicle climbing a hill keeps the ratio of gear - equal to or more than 1
• A wire of resistance T is cut into equal parts, then these parts are connected in parallel. The equivalent resistance of the combination will be - R / n2
• An object covers a distance that is directly proportional to the square of time. Its acceleration is- constant
• Distance of stars is measured in- Light years
• 1 micron is equal to- 10-6 mm
• Which is the highest density of water - 40 C
• The value of one horsepower is - 746 watts
• The sound of an aircraft is generally compatible with- 100 decibels