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The speed of sound is highest in solid. The speed of sound depends on the density of the medium through which it is travelling.
What is the phenomenon of the bending of light as it passes from one medium to another called?
Which phenomenon does a hologram use to create an image?
The term ‘Isoneph' indicates the lines of equal –
If the distance between two consecutive crests is L, then the wavelength is given by______.
A stone thrown upward with a speed ’u’ from the top of the tower reaches the ground with a speed ‘3u’. The height of the tower is-
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...
A uniform wire is bent into a circle and a battery is connected across a chord that subtends an angle of 60° at the center. What is the ratio of curren...
A horse cannot pull a cart on a frictionless surface because:
An electric dipole of length 10 cm, when placed with its axis making an angle of 30° with a uniform electric field, experiences a torque of 2√...
Which among the following nuclei is more stable based on neutron-to-proton ratio?
