Question
The probability a red marble selected at a random from
a Jar containing p red, q blue and "r” green marbles isSolution
The correct answer is B
Which of the following correctly describes the nature of electric field lines?
What is the name of the process by which a liquid changes into gas at all temperatures?
Which law explains the relation between pressure and volume of a gas at constant temperature?
Which physical quantity is conserved in a collision (in the absence of external forces)?
In an electric motor, energy is transformed from:
Which of the following is an example of a non-renewable source of energy?
What is the speed of sound in air at room temperature (approx)?
Which of the following is not a characteristic of simple harmonic motion (SHM)?
A capacitor filled with dielectric constant K is connected to a battery. If dielectric is removed, how much charge flows back?
Two bodies of masses m and 4m are separated by a distance d. Where will the gravitational field be zero along the line joining them?