Questions

Ashwani Lohani is IRSME officer, appointed as new Chairman of the Indian Railway Board soon after A.K. Mittal stepped down from the post. He is former Chairman & Managing Director of Air India.

Parabola, because when the coin is dropped at a particular point, it has the same velocity as the running train. So, by Newton's first law, it continues its motion horizontally with that velocity. But then, it is also pulled down by earth's gravity continuously. In this situation its horizontal motion gives way to the parabolic motion until it reaches the ground.

rand()  returns a random number

random()  returns a random number in a specified range

srand()  initialise a random number generator with a given seed value

randomize()   initializes a random number generator with a random value based o time.

Plant development is influenced by quality, quantity and duration of light. Plants cannot get too much light, but they can get too much of the heat energy that comes with the light.

Plants requires what quantity of light?

* Most of the garden vegetables require full sun, i.e 6 - 8 hrs of direct sunlight daily.

* Plants that grow in partial sun only need 3 - 4 hrs of direct sunlight daily.

* While plants that thrive in shade need less than 2 hours of sunlight daily.