If the sodium light in Young’s double slit experiment is replaced by red light
If the sodium light in Young's double slit experiment is replaced by red light, the fringe width will Options (a)…
If the sodium light in Young's double slit experiment is replaced by red light, the fringe width will Options (a)…
540 g of ice at 0° C is mixed with 540 g of water at 80° C. The final temperature…
The radius of the convex surface of a plano-convex lens is 20 cm and the refractive index of material of…
A radioactive substance contains 10000 nuclei and its halflife period is 20 days. The number of nuclei present at the…
Surface tension of a solution is 30 x 10⁻² N/m. The radius of the soap bubble is 5 cm. The…
The dimensional formula of Plancks's constant and angular momentum are Options (a) ML²T⁻¹ and MLT⁻¹ (b) ML²T⁻¹ and ML²T⁻¹ (c)…
The displacement of a particle varies according to the relation x=4 (cos π t + sin π t). The amplitude…
The total kinetic energy of a body of mass 10 kg and radius 0.5 m moving with a velocity of…
A body travels 200 cm in the first two seconds and 220 cm in the next 4 secs with deceleration.…
A projectile is fired at 30°. Neglecting friction, the change in kinetic energy when it returns to the ground will…