Question
An appliance has a listed price of Rs. 980. It is sold
after giving two back-to-back discounts of 10% and 30%. Calculate the selling price.Solution
ATQ,
Selling price of the appliance = 980 × 0.9 × 0.7 = Rs. 617.4
The mass and energy equivalent to 1 a.m.u. respectively are -
Which Bohr orbit of Li²⁺ has the same energy as the ground state of hydrogen?
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