Question
Sanjay and Amit can do a piece of work in 8 days. Amit
alone can do it in 12 days. In how many days will Sanjay do it alone?Solution
The correct answer is B
A fluid is flowing steadily through a horizontal pipe of varying cross-section. According to Bernoulli’s principle, the pressure is:
Which part of the plant is responsible for photosynthesis?
Which of the following statement is correct?
I. The property of metals by which they can be beaten into thin sheets is called ductility.
...What is the focal length of a double convex lens for which the radius of curvature of each surface is 30 cm and the refractive index of glass is 2.50 ?
Electrostatic precipitator is used to control the pollution of –
A 5 V battery of negligible internal resistance is connected across a 190 V battery and a resistance of 37 Ω as shown in the figure. Find the value of...
Which of the following is a chemical change?
Two satellites are orbiting Earth at different altitudes. Satellite A is closer than Satellite B. Which of the following is correct regarding their spe...
A rod of length 2 m expands by 2 mm when heated. If coefficient of linear expansion is 1 x 10-5 / 0C, find temperature change.
Which type of glass is used for making chemical apparatus like beakers, flasks etc.?