EASY
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Difference between microcosm and macrocosm

Important Questions on Nature of Physical World and Measurement

EASY
Write the dimension of a×b in the relation E=b-x2at where E is the energy, x is the displacement and t is time
HARD
How can you find the width of a flowing river?
EASY
Which planet is known as the Watery "Planet"?
EASY
The macroscopic domain includes the study of phenomenon involving molecules, atoms, nuclei, and other elementary particles.
EASY
Microscopic domain includes phenomena at the laboratory, terrestrial and astronomical scales.
EASY
The person who has been awarded the title of the Father of physics of 20th century is
MEDIUM
How can we determine the angular diameter of moon?
EASY
Which of the following phenomena does not come under macroscopic domain?
EASY
Which of the following is indicated by the colour of a star?
EASY
Messenger satellite has been launched by NASA for the study of
HARD
Diffraction of beam of electrons can be explained with:
EASY
In order of their distances from the sun, which of the following planets lie between Mars and Uranus?
HARD
How will you determine the height of an inaccessible hill?
EASY
Quantum mechanics deals with the _____ domain.
MEDIUM

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

HARD
Name and explain a spectroscopic method that you can employ to measure the distance of a star which is 100 light years away.
MEDIUM
Which of the following phenomenon is not studied under macroscopic domain of physics?