will be
The normal density of a material is ρ and its bulk modulus of elasticity is K. The magnitude of increase in density of material, when a pressure P is applied uniformly on all sides, will be :
26
Sep
The normal density of a material is ρ and its bulk modulus of elasticity is K. The magnitude of increase in density of material, when a pressure P is applied uniformly on all sides, will be : The normal density of a material is ρ and its bulk modulus of elasticity is K. The magnitude [...]
The critical angle of a medium for a specific wavelength, if the medium has relative permittivity 3 and relative permeability 4/3 for this wavelength, will be :
23
Sep
The critical angle of a medium for a specific wavelength, if the medium has relative permittivity 3 and relative permeability 4/3 for this wavelength, will be : if the medium has relative permittivity 3 and relative permeability 4/3 for this wavelength The critical angle of a medium for a specific wavelength will be September 23, [...]
A vessel contains 110 g of water. The heat capacity of the vessel is equal to 10 g of water. The initial temperature of water in vessel is 10 C. If 220 g of hot water at 70 C is poured in the vessel, the final temperature neglecting radiation loss, will be
08
Sep
A vessel contains 110 g of water. The heat capacity of the vessel is equal to 10 g of water. The initial temperature of water in vessel is 10 C. If 220 g of hot water at 70 C is poured in the vessel, the final temperature neglecting radiation loss, will be A vessel contains [...]
In the disintegration series .23892Uα→Xβ−→.AZY the values of Z and A, respectively, will be
05
Jun
In the disintegration series .23892Uα→Xβ−→.AZY the values of Z and A, respectively, will be In the disintegration series .23892Uα→Xβ−→.AZY the values of Z and A respectively will be June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 30 - Nuclear Physics ,
The sun delivers 10^3W/m^2 of electromagnetic flux to the earth’s surface. The total power that is incident on a roof of dimensions 8m×20m, will be
04
Jun
The sun delivers 10^3W/m^2 of electromagnetic flux to the earth’s surface. The total power that is incident on a roof of dimensions 8m×20m, will be The sun delivers 10^3W/m^2 of electromagnetic flux to the earth's surface. The total power that is incident on a roof of dimensions 8m×20m will be June 4, 2021 Category: Cengage [...]
The electrochemical equivalent of a metal is 3.3×10^−7 kg per coulomb. The mass of the metal liberated at the cathode when a 3 A current is passed for 2 seconds, will be:
05
Dec
The electrochemical equivalent of a metal is 3.3×10^−7 kg per coulomb. The mass of the metal liberated at the cathode when a 3 A current is passed for 2 seconds, will be: The electrochemical equivalent of a metal is 3.3×10^−7 kg per coulomb. The mass of the metal liberated at the cathode when a 3 [...]
A point charge is projected along the axis of circular ring of charge Q and radius 102–√cm. The distance of the point charge from centre of ring, where acceleration of charged particle is maximum, will be
05
Dec
A point charge is projected along the axis of circular ring of charge Q and radius 102–√cm. The distance of the point charge from centre of ring, where acceleration of charged particle is maximum, will be A point charge is projected along the axis of circular ring of charge Q and radius 102–√cm. The distance [...]
A car starts from rest and moves on a surface in which the coefficient of friction between the road and the tyres increases linearly with distance (x). The car moves with the maximum possible acceleration. The kinetic energy (E) of the car will depend on x as
27
Nov
A car starts from rest and moves on a surface in which the coefficient of friction between the road and the tyres increases linearly with distance (x). The car moves with the maximum possible acceleration. The kinetic energy (E) of the car will depend on x as A block of mass m starting from rest [...]
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A block of mass m starting from rest slides down a smooth inclined plane of gradient θ ,
fixed in a lift moving upwards with an acceleration a0 as shown in figure. If the base of the inclined plane has length L ,
the time taken by the block to slide from top to bottom of the inclined plane ,
will be ,
A mass of 1kg is suspended by means of a thread. The system is (i) lifted up with an acceleration of 4.9ms^−1 . (ii) lowered with an acceleration of 4.9ms^−2 . The ratio of tension in the first and second case is
27
Nov
A mass of 1kg is suspended by means of a thread. The system is (i) lifted up with an acceleration of 4.9ms^−1 . (ii) lowered with an acceleration of 4.9ms^−2 . The ratio of tension in the first and second case is A block of mass m starting from rest slides down a smooth inclined [...]
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A block of mass m starting from rest slides down a smooth inclined plane of gradient θ ,
fixed in a lift moving upwards with an acceleration a0 as shown in figure. If the base of the inclined plane has length L ,
the time taken by the block to slide from top to bottom of the inclined plane ,
will be ,
A man sits on a chair supported by a rope passing over a frictionless fixed pulley. The man who weighs 1000 N exerts a force of 450 N on the chair downwards while pulling on the rope. If the chair weighs 250 N and g is 10ms^−2, then the acceleration of the chair is
27
Nov
A man sits on a chair supported by a rope passing over a frictionless fixed pulley. The man who weighs 1000 N exerts a force of 450 N on the chair downwards while pulling on the rope. If the chair weighs 250 N and g is 10ms^−2, then the acceleration of the chair is A [...]
Tags:
A block of mass m starting from rest slides down a smooth inclined plane of gradient θ ,
fixed in a lift moving upwards with an acceleration a0 as shown in figure. If the base of the inclined plane has length L ,
the time taken by the block to slide from top to bottom of the inclined plane ,
will be ,