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The work function of metal is W and λ is the wavelength of the incident radiation. There is no emission of photoelectrons when
04
Jun
The work function of metal is W and λ is the wavelength of the incident radiation. There is no emission of photoelectrons when The work function of metal is W and λ is the wavelength of the incident radiation. There is no emission of photoelectrons when June 4, 2021 Category: Cengage JEE Mains Physics by [...]
If the intensity of radiation incident on a photocell be increased four times, then the number of photoelectrons and the energy of photoelectrons emitted respectively become.
04
Jun
If the intensity of radiation incident on a photocell be increased four times, then the number of photoelectrons and the energy of photoelectrons emitted respectively become. If the intensity of radiation incident on a photocell be increased four times then the number of photoelectrons and the energy of photoelectrons emitted respectively become June 4, 2021 [...]
Light of wavelength 0.6μm from a sodium lamp falls on a photocell and causes the emission of photoelectrons for which the stopping potential is 0.5 V. With light of wavelength 0.4μm from a mercury vapor lamp, the stopping potential is 1.5 V. Then, the work function [in electron volts] of the photocell surface is
04
Jun
Light of wavelength 0.6μm from a sodium lamp falls on a photocell and causes the emission of photoelectrons for which the stopping potential is 0.5 V. With light of wavelength 0.4μm from a mercury vapor lamp, the stopping potential is 1.5 V. Then, the work function [in electron volts] of the photocell surface is A [...]
Ultraviolet light of wavelength 300 nm and intensity 1.0 W m^-2 falls on the surface of a photosensitive material. If one per cent of the incident photons produce photoelectrons, then the number of photoelectrons emitted per second from an area of 1.0 cm^2 of the surface is nearly.
04
Jun
Ultraviolet light of wavelength 300 nm and intensity 1.0 W m^-2 falls on the surface of a photosensitive material. If one per cent of the incident photons produce photoelectrons, then the number of photoelectrons emitted per second from an area of 1.0 cm^2 of the surface is nearly. then the number of photoelectrons emitted per [...]
A particle of mass 10^−31 kg is moving with a velocity equal to 10^5ms^−1. The wavelength of the particle is equal to:
04
Jun
A particle of mass 10^−31 kg is moving with a velocity equal to 10^5ms^−1. The wavelength of the particle is equal to: A particle of mass 10^−31 kg is moving with a velocity equal to 10^5ms^−1. The wavelength of the particle is equal to: June 4, 2021 Category: Cengage JEE Mains Physics by B.M Sharma [...]
Activation energy (Ea) and rate constant (k1 and k2) of a chemical reaction at two different temperatures (T1 and T2) are related by
04
Jun
Activation energy (Ea) and rate constant (k1 and k2) of a chemical reaction at two different temperatures (T1 and T2) are related by Activation energy (Ea) and rate constant (k1 and k2) of a chemical reaction at two different temperatures (T1 and T2) are related by June 4, 2021 Category: Chapter 17 - Chemical Kinetics [...]
In a zero-order reaction for every 10^∘ rise of temperature, the rate is doubled. If the temperature is increased from 10^∘C to 100^∘C, the rate of the reaction will become
04
Jun
In a zero-order reaction for every 10^∘ rise of temperature, the rate is doubled. If the temperature is increased from 10^∘C to 100^∘C, the rate of the reaction will become In a zero-order reaction for every 10^∘ rise of temperature the rate is doubled. If the temperature is increased from 10^∘C to 100^∘C the rate [...]
In a reaction , A+B→ Product, rate is doubled when the concentration of B is doubled, and rate increases by a factor of 8 when the concentration of both the reactants (A and B) are doubled, rate law for the reaction can be written as.
04
Jun
In a reaction , A+B→ Product, rate is doubled when the concentration of B is doubled, and rate increases by a factor of 8 when the concentration of both the reactants (A and B) are doubled, rate law for the reaction can be written as. A+B→ Product and rate increases by a factor of 8 [...]
A reaction is 50% complete in 2 hours and 75% complete in 4 hours. What is the order of reaction?
04
Jun
A reaction is 50% complete in 2 hours and 75% complete in 4 hours. What is the order of reaction? A reaction is 50% complete in 2 hours and 75% complete in 4 hours. What is the order of reaction? June 4, 2021 Category: Chapter 17 - Chemical Kinetics , Chemistry , NEET Last 32 [...]
For a reaction between A and B the order with respect to A is 2 and the order with respect to B is 3 . The concentration of both A and B are doubled the rate will increase by a factor of
04
Jun
For a reaction between A and B the order with respect to A is 2 and the order with respect to B is 3 . The concentration of both A and B are doubled the rate will increase by a factor of For a reaction between A and B the order with respect to A [...]