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paresh
Questions (12)
If 238U92 emits successively four alpha particles two beta particles, what will be the atomic number and mass number of the
2 answers
521 views
The velocity of light in a transparent liquid is 1.8X10cm/second, while in vacuum it is 3X10^3cm/second. Find how much the
1 answer
904 views
2 kg of water is contained in a 2.5 KW electric kittle. Assuring that the heat capacity of the kettle is negligible. Calculate
1 answer
813 views
What would be the final temperature of the mixture when .5 g of ice at -10 degree are mixed with 250g of water at 30 degree
1 answer
857 views
7. 50g of steam at 100 degree centigrade is passed into a mixture of 100g of ice and 200gm of water at 0 degree centigrade. Find
1 answer
1,549 views
How much steam at 100 degree centigrade will just melt 3200g of rice at -10 degree centigrade ? ( S.H.C of rice = 0.5 cal/g
1 answer
735 views
An aluminium cessel of mass 200g, contains 0.5 litre of water. What is the heat required to raise the temperature of the system
1 answer
690 views
A bulb is joined to a battery of e.m.f 6V. A steady current of 0.5 A flows through circuit. Calculate the total energy provided
1 answer
606 views
A house wife uses “a fire tong pair” of length 20cm to lift a piece of burning coal of mass 200gm. If she applies force at a
1 answer
425 views
If the wavelength of Deepika’s voice is 2 and that of Ashwaria is 5m respectively in air. Find the frequency of Ashwaria’s
1 answer
513 views
1. A man throws a body of mass 500gm with a velocity of 10m/s vertically upward on a planet he weight of the body on the planet.
1 answer
432 views
A resultant force of 20 N gives a body of mass m an acceleration of 8 m/s^2 and a body of mass m' acceleration of 24 m/s^2. What
4 answers
9,015 views
Answers (1)
=$960/48*7
