Recently Active Physics Questions

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A drop with initial mass M falls under the action of the force of gravity and evaporates uniformly losing a mass m each second.What is the work performed by the force of gravity during the time interval from the start to the ...

Newton's 3rd law states that to every action there is an equal and opposite reaction on two different bodies.... But, A ball has mass m. it goes and hits a wall with f=ma. let this force be f1. now change the frame of referen ...

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A uniform cylinder of steel of mass M, radius R is placed on frictionless bearings and set to rotate about its vertical axis with angular velocity ω0.After the cylinder has reached the specified state of rotation it is heate ...

A container (both side open is kept inverted as shown in the figure. Dimensions are given in the picture itself. The container is completely filled with a liquid. Find the minimum mass of the container so that it can stay on ...

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A plane glass slab is kept over various colored letters, the letter which appears least raised is ...

A uniform meter scale balances at the 40 cm mark when weights of 10 g and 20 g are suspended from the 10 cm and 20 cm marks. The weight of the metre scale is ...

Can work be done on a system if there is no motion? ...

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An open-ended U-tube of uniform cross-sectional area contains water (density 1.0 gram/centimeter3) standing initially 20 centimeters from the bottom in each arm. An immiscible liquid of density 4.0 grams/centimeter3 is added ...

Which one of the curve is correct variation of gravitational potential due to earth from centre to infinity ...

A U-tube of uniform cross-section is partially filled with a liquid-I. Another liquid-II which does not mix with liquid-I is poured into one side. It is found that the liquid levels of the two sides of the tube are same, whil ...

[diamond have greater refractive index then glass] What will happen if we use a diamond slab instead of glass in plane mirrors ??? *Image* ...

A block of iron is kept at the bottom of a bucket full of water at 2 degree centigrade.THE water exerts buoyant force on the block.If temp of water is increased by 1 degree centigrade ,the temp of iron block also increases by ...

A stone is tied to a string of length l and whirled in a circular path.The speed of the stone at the lowest point is u.Find the magnitude of change in velocity when the string is horizontal? let velocity when string is horizo ...

An electric bulb is rated 220 V-100 W. The power consumed by it when operated on 110 V will be ...

A body is moved along a st line by a machine delivering a const. power the distance moved by the body in time is proportional to a)t^3/4 b)t^3/2 c)t^1/4 d)t^1/2 ...

The type of energy possessed by a simple pendulum, when it is at the mean position is ...

A parallel sided block of glass of refractive index 1.5 which is 36 mm thick rests on the floor of a tank which is filled with water (refractive index = 4/3). The difference between apparent depth of floor at A & B when seen ...

A reflecting surface is represented by the equation Y=frac{2L}{pi }sin left( frac{pi x}{L} ight).~0le xle L . A ray travelling horizontally becomes vertical after reflection. The coordinates of the point (s) where this ray is ...

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please remove this new look.... i think this has resulted in loss of users from targetIIT.... some demerits i feel are... 1. we can't see recent posts... 2. neither an option for latex 3. looks so bad.. 4. a bit complex to us ...

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