Question Answers

A metal sphere connected by a string is dipped in a liquid of density ρ as shown in figure. The pressure at the bottom of the vessel will be, (p0=atmospheric pressure ) (p0=atmospheric pressure ) A metal sphere connected by a string is dipped in a liquid of density ρ as shown in figure. The [...]

A balloon starts rising from ground from rest at some constant acceleration. After some time, a stone is dropped form it. If the stone reaches the ground in the same time in which balloon reached the A balloon starts rising from ground from rest at some constant acceleration. After some time a stone is dropped [...]

Referring to a-s diagram as shown in Fig. 4. 160, find the velocity of the particle when the particle just covers 20 m find the velocity of the particle when the particle just covers 20 m Referring t a-s diagram as shown in Fig. 4. 160 September 18, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

A passenger reaches the platform and finds that the second least boggy of the train is passing him. The second last boggy takes 3 s to pass the passenger, and the last boggy takes 2 s to pass him. Find the time by which the passenger late for A passenger reaches the platform and finds [...]

The pressure of the gas in a cylindrical chamber is P0. The vertical force exerted by the gas on its hemispherical end is The pressure of the gas in a cylindrical chamber is P0. The vertical force exerted by the gas on its hemispherical end is September 18, 2020 Category: Arihant Physics by D.C Pandey [...]

A body moving along a straight line traversed one third of the total distance with a velocity 4 m/sec in the first stretch. In the second stretch the remaining distance is covered with a velocity 2 m/sec A ball is projected vertical up from the top of a cliff of height h with a speed [...]

An iron block is on a boat which floats in a pond. The block is thrown into the water. The level of water in the pond will be An iron block is on a boat which floats in a pond. The block is thrown into the water. The level of water in the pond will [...]

A solid shell loses half its weight in water. Relative density of shell is 5. What fraction of its volume is hollow? A solid shell loses half its weight in water. Relative density of shell is 5. What fraction of its volume is hollow? September 18, 2020 Category: Arihant Physics by D.C Pandey , Chapter [...]

Two substances of relative densities ρ1 and ρ2 are mixed in equal volume and the relative density of mixture is 4. When they are mixed in equal masses, the relative density of the mixture is 3. The values of ρ1 and ρ2 are : the relative density of the mixture is 3. The values of [...]

A small ball of relative density 0.8 falls into water from a height of 2m. The depth to which, the ball will sink, is (neglect viscous forces) A small ball of relative density 0.8 falls into water from a height of 2m. The depth to which is (neglect viscous forces) the ball will sink September [...]