Question
On selling an anicle for ₹984, Arnn loses 18%. In
order to gain 15%, he must sell it for:Solution
The correct answer is D
A body is projected upwards with an initial velocity u . At the highest point, what is its acceleration?
A capacitor of 4 µF is charged to 100 V. It is then connected across an uncharged 2 µF capacitor. Final common voltage is:
A particle moving in a straight line with uniform acceleration covers distances 5 m, 9 m, and 13 m in the 1st, 2nd, and 3rd second of motion respectivel...
In streamline flow through a horizontal pipe, at one point the cross-sectional area is 4 cm² and velocity is 8 m/s. If at another point the cross-secti...
A boy is standing in front of a plane mirror at a distance of 3 m from it. What is the distance between the boy and his image?
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by –
The frequency of ultrasonic waves is:
What is the unit of power in an electrical circuit?
The charge of an electron is approximately:
Which of the following materials exhibits piezoelectric effect?