Exams

In each of the following question, find out which part has an error. I told him on his face

In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)

A rocket is launched to travel vertically upward with a constant velocity of 20 m/s. After travelling for 35 seconds, the rocket develops a snag and its fuel supply is cut off. The rocket then travels like a free body. The height achieved by it is

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.

One can achieve reward by hard work.

A telephone bill costs Rs.13 for 19 minutes. What is the cost in rupees for 15 minutes 50 seconds?(rounded to one decimal)

If the roots of the equation a(b – c)x2 + b(c – a)x + c(a – b) = 0 are equal, then which of the following is true?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express the same sentence in Indirect/Direct speech.

Sheela reassured me,"I can come tonight."

Vitamin A is also known as _____.