What is the primary use of a barometer?

To measure atmospheric pressure

What is the main function of a speedometer?

To measure the speed of a vehicle

To measure total distance traveled

To measure relative density of liquids

Angle of elevation from horizontal

To detect weak electric current

Covers common scientific instruments, their functions, and practical applications. Essential for competitive exam preparation across all levels.

10 Questions ~5 min

Attempts 1

Avg. Score 60%

Best Score 60%

Avg. Time 01:13