Physics Most Important One Liner Question and Answer part-2

Physics: Most Important One Liner Question and Answer part-2

• When ice is formed, water entropy- decreases
• Who suggested quantum theory - Max Planck
• Which device is used to convert solar energy into electricity - light-voltaic cell
• The word 'insulation' means- incoming solar radiation.
• The rate of cooling depends on - the difference in temperature between the body and its surroundings, the tendency of the radiating surface, the area of the radiating surface
• The ratio of the average kinetic energy in the molecules of an ideal gas is - the ultimate temperature of the gas
• A tire of a bicycle suddenly explodes, what does it signify - a cryptogenic process
• Any mass of water from 00 From 100 cm by heating up, its volume will- increase after decreasing
• What can happen with gamma rays - gene mutation
• What is seen through electron microscope - Structure of bacteria and viruses
• Woolen clothes keep the body warm, because- they are wool Malicious.
• Clothes keep us warm during winters because - the heat of the body keeps us from going out.
• The conductor of electricity is-
• Clear night is colder than cloudy nights. The reason for this is – radiation
• By what process does the temperature of the Sun reach the Earth – Radiation
• Where does heat in the atmosphere usually come from – radiation
• Metals used to make lightning conductors are-
• Superconductors are- those whose resistance becomes almost zero at very low temperatures.
• Whose unit is 'Thermo' - of heat
• Turbulence is predicted when the pressure of the atmosphere is -
• Where is it difficult to cook rice - at the top of the mountain
• There will be changes in the ice and water kept in the bowl at exactly zero-degree Celsius - no change will occur.
• A plate with a circular hole in the middle is heated. What will be the effect on the area of the hole - will increase.
• Lakes freeze in winter in cold countries, leaving water below - at 40C
• The amount of water vapor in the air chamber is measured - in the form of humidity
• Which has the highest specific heat value – water
• When vapor becomes equal to atmospheric pressure, what is the effect on the fluid - the fluid starts boiling.
• The temperature whose reading is the same on both Fahrenheit and Celsius scales - -400
• A body absorbs heat the most when it is - black and rough
• Water is used in hot water bags because - its specific heat is high.
• Mercury is commonly used in thermometers because it has high conductivity.
• Water is not suitable as a substance until calorimetric — it has high specific heat.
• The density of water is 1 g / cc. This is perfect - at 40c
• Why the outside of the bottom of cooking utensils is left black - Black surfaces are good absorbers of heat.
• Gas thermometers are more sensitive to the weight of liquid thermometers, because- the diffusion coefficient of the gas is higher.
• What is a white and smooth surface - bad absorber of heat and good reflectivity
• At what fraction of centigrade and Fahrenheit temperature are uniform - -400
• What material is used in electric heater – nichrome
• The device for converting transformer is- Low voltage AC.in High voltage AC
• The term 'Higgs Bosan' is related to- Gad particle
• If the electrical resistance is to be reduced, then the number of resistors should be connected to – parallel
• Which is not an electromagnetic wave - Cathode ray
• Diamond does not conduct electricity because-it does not have an independent electron.
• What is the anti-particle of electron – positron
• Who is associated with the current carrying conductor - electromagnetic field
• Nuclear detonation is induced by- uncontrolled chain reaction
• What is the adverse effect of emission of X -rays - Electrical effect
• What is called a group of solar cells that are folded together in a certain pattern - solar cell panels
• What is a choke used with tube light- effector
• Which transistor is most likely to be in- Audio equipment
• With whom a galvanometer can be connected and made into a voltmeter - high resistance in series
• Fleming's 'left hand rule' is related to- magnetic field on the current
• Sill-frequency - frequency under which light electrical emission is not possible.
• Super conductors are materials that give-minimum resistance to the flow of electric current.
• In a conductor - the valence band and conduction band overlap each other.
• The electrical resistance of some materials is completely eliminated at very low temperatures. What are these materials called – superconductors
• Dynamo converts it - mechanical energy into electrical energy
• A fuse wire is identified due to these characteristics- minimum resistivity and minimum melting point
• When the number of the coil in a horoscope is tripled without any change in the length of the coil, how much is its inductance - nine times
• In electronics what comes under tank circuit - resistance (resistance) and capacitance
• Tungsten is used to make the filament of an electric bulb, because- its melting point is very high.
• Multimeter is used to measure - current, voltage, resistance
• A nuclear reactor used for power generation is based on- nuclear fission.
• A kilowatt-hour is a unit of-
• In our domestic electrical circuit, the fuse melts when there is a huge surge - in the current
• The instrument used to change the speed of electric fan is – Regulator
• Superconducting is the conductor which has- zero resistance
• Which device is used to limit current in electrical circuit- Fuse
• Water cannot be used to extinguish a fire caused by electric current, because - it can cause electrocution.
• Produces dynamic electrical charge - magnetic field
• The SI unit of electric charge is- Coulomb
• Safety fuse wire used in household electrical appliances is made of a metal whose- melting point is low.
• For electromagnetic radiation, make the correct configuration in the order of their increased frequency - X-rays, infrared, visible, microscopic waves.
• Whose unit is "fared" - of capacity
• What is the nature of photon particle formation - light effect
• Electric fuse is an alloy of- tin and lead.
• What is a conductor wire – neutral
• Radio waves of constant amplitude can be generated with___? Oscillator
• What is the SI unit of luminous intensity? Candela
• What is the name of short duration wave? Pulse
• What is Impulse equal to – change in momentum
• What is the resistance of an ideal voltmeter – infinite

 

• What is the unit of electrical conductivity- mho
• What is the conductor when carrying current - negatively charged
• What is the unit of sound pollution (decibel) – decibel
• Sound height depends on- amplitude
• Which property of sound changes due to change in temperature of air – wavelength
• The velocity of sound in humid air is higher than in dry air because in humid air: - Density is lower than in dry air.
• A decibel unit is used for- sound intensity.
• Bolometer is used to measure – temperature
• What is noise measured in – decibels
• On which principle does the stethoscope used by the doctors work - the reflection of sound
• Doordarshan’s sound signals are- frequency modulated
• The owl can see even in the darkest darkness, because- his big eyes are facing forward, which gives him a binocular view.
• What is the frequency of sound- Frequency
• The ozone layer in the deaf atmosphere helps us to- absorb ultraviolet radiation.
• What is the quality that is seen in light wave but not in sound wave – polarization
• Microphones are devices that convert- sound signals into stream signals.
• By which can the wave form of a signal be studied- Voice meter or Sonometer
• Which is responsible for the resonance of sound waves – Reflection