Question

What are the fundamental units in S.I. system? Name them along with their symbols.

February 4, 2024

Answer

The fundamental units in S.I. system along with their symbols are as follows —

Quantity	Unit	Symbol
Length	metre	m
Mass	kilogram	kg
Time	second	s
Temperature	kelvin	K
Luminous intensity	candela	cd
Electric current	ampere	A
Amount of substance	mole	mol
Angle	radian	rd
Solid angle	steradian	st-rd

💡 Some Related Questions

How much time does the bob of a seconds’ pendulum take to move from one extreme of its oscillation to the other extreme?

It takes 0.2s for a pendulum bob to move from mean position to one end. What is the time period of pendulum?

The time periods of two simple pendulums at a place are in the ratio 2:1. What will be the ratio of their lengths ?

A pendulum completes 2 oscillations in 5s. (a) What is its time period? (b) If g = 9.8 ms-2, find its length.

Compare the time periods of two pendulums of length 1m and 9m

Find the length of a seconds’ pendulum at a place where g = 10 ms-2 (Take π = 3.14).

A seconds’ pendulum is taken to a place where acceleration due to gravity falls to one forth. How is the time period of the pendulum affected, if at all? Give reason. What will be its new time period?

The time period of a simple pendulum is 2s. What is its frequency? What name is given to such a pendulum?

A simple pendulum completes 40 oscillations in one minute. Find its (a) frequency, (b) time period.

How does the time period (T) of a simple pendulum depend on its length (l) ? Draw a graph showing the variation of T² with l. How will you use this graph to determine the value of g (acceleration due to gravity)?