Question
Who discovered the
electron?Solution
J.J. Thomson was the physicist who discovered the electron in 1897, for which he was awarded the Nobel Prize in Physics.
A milkman mixes two types of milk, one costing ₹60 per liter and the other costing ₹90 per liter, to make a mixture. The final mixture is sold at �...
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A container initially holds 120 litres of pure alcohol. First, 18 litres of alcohol is removed and replaced with an equal quantity of water. Then, 18 li...
A certain mixture consists of oil and water, with the water content exceeding that of oil by 20%. When 70 ml of oil and 60 ml of water are introduced in...
Acid and water are mixed in a vessel A in the ratio of 5:2 and in the vessel B in the ratio 8:5. In what proportion should quantities be taken out from...
If 4 kg of metal of which 1/3rd is zinc and the rest is copper, be mixed with 5kg of metal, of which 1/6 is zinc and the rest is copper, then...
- The ratio of milk to water is 1:2. When 1 litre of milk and 1 litre of water are added, the new ratio becomes 2:3. Find the initial quantity of the mixture...
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