According to the theory of relativity, which of the following al-ways remains constant?
Which of the following is an example of a chemical change?
Which acid is described as HOOCCOOH?
What happens to the gravitational force between two objects if the distance between them is doubled ?
What is the acceleration of an object if it starts from rest and reaches a speed of 20 m/s in 5 seconds?
The speed of sound is maximum in which of the following ?
The dimensional formula of angular momentum is:
Which of the following constitutes a food chain ?
A car travels 150 kilometers in 3 hours. What is its average speed?
Which element is the constituent of the chlorophyll molecule?