Physical World ...

The given table shows the rank of three different minerals on the scale of hardness.

'Analytical Engine ' was invented by

He introduced a triatomic theory of colour vision, was the first to observe ocular astigmatism, he proved that the accommodation of eye was affected by change of curvature of the crystalline lens, but most famour for his discovery of interference of light and for developing the wave theory of light. Who was this physician-cum-physicist?

In which of the following process a software is used to create a mathematical model of some physical object as shown in the image?

Law of gravity, law of magnetic force are examples of _____.

Who in $$1939$$ suggested the name meson for middle-weight particles?

The first husband-wife team to get the Nobel Prize for Physics was.

Name the latest theory of fundamental physics in which the basic entity is a one-dimensional object as against the 'zero-dimensional' points representing the elementary particles.

Inverse square law of distance is followed by the

Physics is sometimes referred to as exact science. Because.