Questions

During the free fall of the object, the decrease in potential energy, at any point in its path, appears as an equal amount of increase in _________________.

Consider a hypothetical planet whose mass and radius are both half that of Earth. If g is the acceleration due to gravity on the surface of Earth, the acceleration due to gravity on the planet will be

CDM stands for

Which of the following is a land locked country?

The SI unit of weight is a

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence in Indirect/Direct Speech.

The visitor enquired, “When is the next train?”

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

Senseless talk or writing