Tag: physical world

Quizzes (8) Questions (6)

Questions Related to physical world

Multiple choice physics physical world introduction to science contribution of physics in technology and society physics in relation to other sciences

White colour of the cloud is due to ___________________.

  1. reflection of seven colors of light

  2. refraction of seven colors of light

  3. scattering of seven colors of light

  4. absorption of seven colors of light
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Large dust particles and water droplets scatter all wavelength almost equally. Hence clouds appears white.

Multiple choice physics physical world introduction to science contribution of physics in technology and society physics in relation to other sciences

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.

  1. String theory

  2. Supersymmetry

  3. Symmetry

  4. Superstring theory
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In String theory, the basic entity is a one dimensional object.

Multiple choice physics physical world introduction to science contribution of physics in technology and society physics in relation to other sciences

Nano science is the study of fundamental principles that nature permits at the nanoscale or less than that $i e . . . . . . . . . . . .$ 

  1. The classical mechanics

  2. the wave mechanics

  3. The quantum mechanics

  4. none of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Nanoscience deals with materials at the scale of 1 to 100 nanometers. At this scale, classical physics fails, and the behavior of matter is governed by quantum mechanical effects.

Multiple choice physics physical world introduction to science contribution of physics in technology and society physics in relation to other sciences

Who was the first woman to fly in space?

  1. Valentina Tereshkova

  2. Rhea Seddon

  3. Sally Ride

  4. Anna Fisher
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Valentina Vladimirovna Tereshkova is a retired Soviet cosmonaut and the first woman to have flown in space, having been selected from more than four hundred applicants and five finalists to pilot Vostok 6 on 16 June 1963.