Question 1

Which set contains only fundamental quantities?

Accepted Answer

Length, mass, time

Question 2

What is the normal human body temperature in Fahrenheit?

Accepted Answer

98.6°F

Question 3

What is the smallest unit of a substance that can exist independently in a free state?

Accepted Answer

Molecule

Question 4

Which instrument is used to measure rainfall?

Accepted Answer

Rain gauge

Question 5

What is the dimension of relative density?

Accepted Answer

It has no dimension

Question 6

What is the freezing point of water in all four temperature scales?

Accepted Answer

0°C, 32°F, 0°R, 273 K

Question 7

What is the approximate lifetime of a pi-meson (pion)?

Accepted Answer

10⁻⁸ second

Question 8

Which quantity is measured in newtons?

Accepted Answer

Force

Question 9

What is the dimensional formula of Planck’s constant h?

Accepted Answer

[ML²T⁻¹]

Question 10

What is the boiling point of water in all four temperature scales — Celsius, Fahrenheit, Reamur, and Kelvin?

Accepted Answer

100°C, 212°F, 80°R, 373 K

Science One Liner Questions with Answers

What is the dimensional formula of Planck’s constant h?