Boy : Girl = 6:7 Total number of students = 260 Number of Boys = (6/13) × 260 = 120 Number of Girls = (7/13) × 260 = 140 Number of girls absent = 60% × 140 = 84 Number of boys absent = 25% × 120 = 30 Total number of girls present = 140 – 84 = 56
__________ is the same at every point on a rotating body.
The reason for a swimming pool to appear less deep than the actual depth is –
What is the work done by a centripetal force on an object moving in a circular path at constant speed?
Which of the following is NOT a conductor of electricity?
In half-wave rectifier, what is the output frequency if the input frequency is 40 Hz. What is the output frequency of a full-wave rectifier for the same...
What is the focal length of a plane mirror?
In a plane electromagnetic wave. the electric field oscillates sinusoid ally at a frequency of 3 × 108 Hz and amplitude 36 V/m. Find the am...
The ratio of the total distance traveled by a body to the total time taken is its:
Two billiard balls each of mass 0.02 kg moving in opposite directions with speed 5 m s−1 collide and rebound with the same speed. What is t...
A 220 V, 100 W bulb is connected to a 110 V source. Calculate the power consumed by the bulb