Question
Four number pairs are given, out of which three are
alike in a certain manner and one is different. Choose the different number pair.Solution
H – 3 = E, E + 1 = F, F – 2 = D L – 3 = I, I + 1 = J, J – 2 = H N + 3 = Q, O – 2 = O, O – 2 = M W – 3 = T, T + 1 = U, U – 2 = S
A car increases its speed from 20 m/s to 60 m/s in 8 seconds. Find its acceleration. Â
A transistor works as an amplifier only when:
The group velocity of matter waves associated with a moving particle is:
What device is used to measure electric current? Â

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Which of the following waves require a medium to travel? Â
A ray of light is incident on a transparent medium at an angle of 60°. The reflected ray of light is found to be completely Q.4 polarized. Then, the r...
Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain of 12 and the second has a voltage gain o...
Which of the following gas is used in the manufacture of Vanaspati Ghee?Â