Question
There is no pleasure for you in this world and there
will be none in the world to come. In the following question, a sentence / a part of sentence is marked in bold. Below are given alternatives to the bold part which may improve the sentence. Choose the correct alternative. In case no improvement is required, choose "No Improvement" option.Solution
The correct answer is D
A spherical black body with a radius of 8 cm radiates 450-watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated...
Consider the following two statements
(A) Kirchhoff's junction law follows from the conservation of charge.
(B) Kirchhoff's loop law follo...
A coil with N turns and area A is placed in a magnetic field varying as B = B₀·e–αt. What is the induced EMF at time t = 0?
A car increases its speed from 20 m/s to 60 m/s in 8 seconds. Find its acceleration.
A ray of light travels from glass (n=1.5) to air (n=1). For which angle of incidence will the ray just graze the surface (total internal reflection limit)?
The polarization of electromagnetic waves demonstrates that they are:
A horse cannot pull a cart on a frictionless surface because:
A capacitor filled with dielectric constant K is connected to a battery. If dielectric is removed, how much charge flows back?
What is the main difference between alternating current (AC) and direct current (DC)?
If mass is doubled and velocity is tripled, how will kinetic energy change?
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