4 Questions
What is the formula for calculating the force exerted by a spring?
$F = kx$
What happens to the gravitational force between two objects when the distance between them is doubled?
It becomes half
What is the SI unit of electric current?
Ampere
Which of the following statements about concave mirrors is true?
They can form both real and virtual images
Test your knowledge of physics concepts including spring force calculation, gravitational force, SI unit of electric current, and properties of concave mirrors in the ICSE class 9 curriculum.
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