Questions

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.

A search engine is a set of programs which enables users to search documents and files ihe world wide web.

Common search engines are Google, Yahoo, Bing,...

Data registers - can be assigned to a variety of functions by the programmer. They can be used with any machine instruction that performs operations on data.
Address registers - contain main memory addresses of data and instructions or they contain a portion of the address that is used in the calculation of the complete addresses.

The outer protein protective coat of a virus is called a Capsid.

Medical Sociology is the systematic study of how humans manage their health problems, wellness and disorders and how they overcome sick to be healthy.

Liquid sodium is being considered as engine coolant.

Digboi, in Assam is where the oldest oil refinery in India. It was build in 1901.