Work done by a man in (1 )/(2 )days = (1 )/(8 )part Work done by a woman in (1 )/(2 )days = (1 )/(16 )part Work done by a boy in (1 )/(2 )days = (1 )/(32 )part Let one man and one woman together can do a piece of work in (1 )/(2 )days = No. of x boys required According to the question, (1 )/(8 )+ (1 )/(16 ) + x/(32 ) = 1 (4 +2+ x )/(32 ) = 1 6 + x = 32 x = 32 – 6 = 26 Hence, 26 boys will be required.
The potential inside a charged hollow sphere is __________.
X-rays belong to which category of waves?
When a forward bias is applied to a p-n junction, it
Which of the following statement is correct?
I. Value of ‘g’ is higher at poles than equator
II. Weight of an object at moon is 1...
What is myopia?
In order to use the transistor as an amplifier, it has to operate in the____ region
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An image formed by a plane mirror is ______.
Cryogenics is a branch of Physics that deals with what?
The colour of sky appears blue due to –
