Autocad Training L-2 Concepts of Unit and Lumits

Explain the concept of torque. Write its unit and dimensions.

Planck's constant h , speed of light c and gravitational constant G are used to form a unit of length L and a unit of mass M . Then the correct option (s) is (are)

On a train moving along east with a constant speed v, a boy revolves a bob with string of length l on smooth surface of a train, with equal constant speed v relative to train. Mark the correct option(s).

The speed of a train increases at a constant rate alpha from zero to v and then remains constant for an interval and finally decreases to zero at a constant rate beta . The total distance travelled by the train is l. The time taken to complete the journey is t. Then,

If concentration is expressed in mol L^(-1) units and time in seconds, what would be the units of k for a first order reaction.

If concentration is expressed in mol L^(-1) units and time in seconds, what would be the units of k for a zero order reaction