The correct answer is B
A body of mass 3 kg is acted upon by two perpendicular forces 9 N and 12 N. Find the resultant of two forces and the acceleration of the body.
What is the unit of the refractive index?
From the given options, the speed of sound is highest in which material?
Lamberts law is related to –
Which of the following materials is used for the generation of ultrasonic waves by using magnetostriction effect?
Which one of the following determines the sharpness of image in a camera?
The radii of curvature of the faces of a double convex lens are 20 cm and 30 cm. If focal length of the lens is 36 cm find the refractive index of t...
The electric and magnetic fields of an electromagnetic wave are _____________
If the Earth stopped rotating, what would happen to the apparent value of gravity (g) at different locations?
For a non-relativistic particle, the ratio of phase velocity to group velocity of de Broglie waves is: