CAT Questions

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Heat from the sun travels in the form of rays and are called as heat rays. This heat is called as radiation.

A seconds pendulum is a pendulum whose period is precisely two seconds i.e, one second for a swing in one direction and one second for the return swing.

The objects through which light cannot pass are called as Opaque objects. Some objects allow some light to pass through them and are called as Translucent objects. The objects which allow all the light to pass through them are called as Transparent objects.

Here in the given options Book is an example of opaque object as it does not allow light to pass through it. Water is transparent object and notebook paper and sun glasses are examples of translucent objects.

The head mirror used by ENT doctors is concave.

Frankenstein is an English Novel by Mary Shelley. In Frankenstein, Victor is a character who changes from an optimistic, eager young man to one who is anxious and Remorseful.

When exports are greater than imports, net exports are positive and similarly, when imports are greater than exports, net exports are negative.

When a country imports goods, it buys them from foreign producers. The money spent on imports leaves the economy, and that decreases the importing nation's GDP.