Question
In 1932, who discovered the positron, a particle
described as ‘carrying a positive charge but having a mass of the same order of magnitude as that normally possessed by a free negative electron’?Solution
The correct answer is D
A sum of ₹5,000 is invested at 8% simple interest per annum for 3 years. After 3 years, the interest is reinvested at 6% compound interest for 2 years...
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A sum of Rs. 2800 is invested at simple interest for 2 years. If the rate interest for first year is 10% p.a. while 18% p.a. for second year, then find ...
