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Two bulbs 500 W and 200 W are manufactured to operate on 220 V line. The ratio of heat produced in 500 W and 200 W in two cases , when first they are joined in parallel and second in series, will be Two bulbs 500 W and 200 W are manufactured to operate on [...]

Water is moving with a speed of 5.0 m/s through a pipe will cross sectional area of 4.0 cm^2. The water gradually descends 10 m as the pipe increase in area to 8.0 cm^2. If the pressure at the upper level is 1.5 x 10^5 pa, the pressure at lower level will be A hollow [...]

Water flowing through a horizontal pipe from left to right. The diameter of its left and right end sections are 5.0 cm and 3.0 cm respectively. When the speed of the flowing out is 15 m/s, the speed of the water entering the pipe is the speed of the water entering the pipe is Water [...]

A 100 W bulb working on 200 V and a 200 W bulb working on 100 V have A 100 W bulb working on 200 V and a 200 W bulb working on 100 V have September 20, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

An ideal fluid flows through a pipe of circular cross section with diameters 5 cm and 10 cm as shown. The ratio of velocities of fluid at A and B is. An ideal fluid flows through a pipe of circular cross section with diameters 5 cm and 10 cm as shown. The ratio of velocities [...]

if two bulbs of wattage 25 and 100 resoectively each reated at 220 V are connected in series with the supply of 440 V, then which bulbs will fuse if two bulbs of wattage 25 and 100 resoectively each reated at 220 V are connected in series with the supply of 440 V then which [...]

A body weighs 50g in air and 40g in water. How much would it weigh in a liquid of specific gravity 1.5 ? A body weighs 50g in air and 40g in water. How much would it weigh in a liquid of specific gravity 1.5 ? September 20, 2020 Category: Chapter 13 - Fluid Mechanics [...]

Some iron beads are embedded in wax ball which is just floating in water. The volume of ball is 18 cm^3 and relative density of wax is 0.9 .Then mass of the iron trapped in the ball is Some iron beads are embedded in wax ball which is just floating in water. The volume of [...]

A resistor R1 dissipates the power P when connected to a certain generator. If the resistor R2 is put in series with R1, the power dissipated by R1 A resistor R1 dissipates the power P when connected to a certain generator. If the resistor R2 is put in series with R1 the power dissipated by [...]

Two heating coils, one of fine wire and the other of thick wire of the same material and of the same length are connected in series and in parallel. Which of the following statement is correct ? one of fine wire and the other of thick wire of the same material and of the same [...]