Same chapter2 marksDifficulty: Easy
Convert 72 km h−1 into m s−1.
Measurements and Experimentation
2 marksDifficulty: Easy
Name the seven fundamental quantities of the SI system and their units.
Original Khojo Papers practice question — not from a past board paper.
Answer
Length in metre, mass in kilogram, time in second, electric current in ampere, thermodynamic temperature in kelvin, amount of substance in mole and luminous intensity in candela.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Every other physical quantity is derived from these seven.
Related questions
From the same topic and chapter, at a similar level.
Same chapter1 markDifficulty: Easy
The SI unit of pressure is:
Measurements and Experimentation
Same chapter2 marksDifficulty: Easy
A simple pendulum has a time period of 2 s. Calculate its frequency.
Measurements and Experimentation
Same chapter3 marksDifficulty: Medium
The length of a seconds pendulum is about 100 cm. What is its time period, and what does the name mean?
Measurements and Experimentation
Same chapter3 marksDifficulty: Medium
What is meant by the least count of an instrument? State the least count of vernier callipers and of a screw gauge.
Measurements and Experimentation
Same chapter3 marksDifficulty: Medium
State the factors on which the time period of a simple pendulum depends and those on which it does not.
Measurements and Experimentation