By interchanging the given two signs which of the

A simple microscope consists of :

Which of the following statements is true when we see 'rainbow'?

Which compound is used to prepare water proof clothes?

The hormone related to drought tolerance is-

What Type of Mirror Is Commonly Used as Rear-View Mirrors in Vehicles?

Adhesive force is the force of

The instrument which uses sound waves to measure the depth of oceans is –

Electrical fuse is used to interrupt excess of _________.

The energy of wind is-

Consider the following statements:

1. A flute of smaller length produces waves of lower