Physics-
General
Easy
Question
pressure exerted by anelectro magnetic wave of intensity I(watts/
)ona nonrefl ecting surface is[c ist he velocity of light]
The correct answer is:
Related Questions to study
Physics-
The figure shows graphs of the electric field magnitude Eversus time t for four uniform electric fields, all containedwithin identical circular regions. Which of them is accordingtothemagnitudesofthemagneticfield?
The figure shows graphs of the electric field magnitude Eversus time t for four uniform electric fields, all containedwithin identical circular regions. Which of them is accordingtothemagnitudesofthemagneticfield?
Physics-General
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Intensity of electro magnetic wave will be
Intensity of electro magnetic wave will be
Physics-General
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Thefigureheregivestheelectricfieldof anelectromagneticwave at a certain point and a certain instant. The wave istransporting energy in the negative z-direction. The directionofthe magneticfieldofthewaveatthatpointand instantis
Thefigureheregivestheelectricfieldof anelectromagneticwave at a certain point and a certain instant. The wave istransporting energy in the negative z-direction. The directionofthe magneticfieldofthewaveatthatpointand instantis
Physics-General
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InanLCRcircuitasshownbelow bothswitches areopen initially. Now switch 
is closed, 
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InanLCRcircuitasshownbelow bothswitches areopen initially. Now switch is closed, kept open. (q is chargeon the capacitor and, = RC is Capacitive time constant).Whichofthefollowingstatementiscorrect?
Physics-General
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In a nelectri calcircu itR ,L,Candana.c.voltagesourceare all connected in series. When L is removed from the circuit,the phase difference between the voltage the current in the circuit is n/3. If instead, C is removed from the circuit, the phase difference is again n/3. The power factor of the circuitis:
In a nelectri calcircu itR ,L,Candana.c.voltagesourceare all connected in series. When L is removed from the circuit,the phase difference between the voltage the current in the circuit is n/3. If instead, C is removed from the circuit, the phase difference is again n/3. The power factor of the circuitis:
Physics-General
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The inductance between A and D is
The inductance between A and D is
Physics-General
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The area in the first quadrant enclosed by the axis, the line 
and the circle 
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The area in the first quadrant enclosed by the axis, the line and the circle (greater area) is
Physics-General
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The electron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following statements is true?
The electron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following statements is true?
Physics-General
Maths-
If f(x) = 
then
If f(x) = then
Maths-General
Maths-
Maths-General
Maths-
If f: R 
R is an even function having derivatives of all orders, then an odd function among the following is
If f: R R is an even function having derivatives of all orders, then an odd function among the following is
Maths-General
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If f: R R is an even function which is twice differentiable on R and 
If f: R R is an even function which is twice differentiable on R and
Maths-General
Physics-
Half life of 
is 5 days. If we start with 50,000
atoms of this isotope, the number of atoms left over after 10
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Half life of is 5 days. If we start with 50,000
atoms of this isotope, the number of atoms left over after 10
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Physics-General
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If radius of the 
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If radius of the nucleus is estimated to be 3.6 Fermi then the radius of nucleus be nearly
Physics-General
Physics-
In any fission process the ratio 
is
In any fission process the ratio is
Physics-General
