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ATQ, If two successive discounts of p% and q% are offered then single equivalent discount will be = p + q - (pq/100) Here, p = q = 12 Required discount = 12 + 12 - {(12 × 12)/100} = 22.56%
Two capacitors of 4 μF and 6 μF are connected in series. The equivalent capacitance is:
A block rests on another block, and the lower one is pulled with a horizontal force. If the coefficient of friction between them is μ, what is the maxi...
Which of the following statement is/are true?
I. The materials which allow heat to pass through them easily are conductors of heat.
I...
Two point charges +4 μC and –3 μC are placed 0.3 m apart. Find the electric potential at a point 0.2 m from the +4 μC and 0.25 m from the –3 μC....
Which of the following quantities is a scalar?
An electron in a hydrogen atom de-excites from the 4th to the 2nd level. The wavelength of emitted photon falls in which series?
Which law states that internal energy is a function of state and the increase in internal energy equals the sum of heat supplied to the system and work ...
If Planck’s constant h, gravitational constant G, and speed of light v are taken as fundamental units, the dimension of time is:
Which of the following rays are not deflected by a magnetic field?
If lift is going up with acceleration, the apparent weight of a body is -
