For seeing objects at the surface of water from a submarine under water, the instrument used is ________?

Related Mcqs:

Pedosphere is sum of_____________?

A. Organisms B. Soil and water C. Air D. All of above...

The speed of light with the rise in the temperature of the medium____________?

A. Decrease B. Increase C. Remain the same D. First decrease then increase...

An element that does not occur in nature but can be produced artificially is__________?

A. Plutonium B. Uranium C. Radium D. Thorium...

A man can survive without food for atleast?

A. 1 month B. 2 month C. 3 month D. 4 month...

The Saturn rings discovered by___________?

A. Newton B. Robert Brown C. Galileo D. None of these...