RRB 2008 Kolkata

Instructions

For the following questions answer them individually

Question 71

For photosynthesis, energy is obtained from

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Question 72

We see sun before actual sunrise or after sunset due to

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Question 73

Who started the Saka Era ?

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Question 74

A sector of a circle subtending angle 36° has an area 3.85 $$cm^{2}$$. The length of the arc is

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Question 75

The dimensions of energy are

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Question 76

The Vector quantity is

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Question 77

The maximum number of electrons in the second orbit of an element is

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Question 78

Saina Nehwal is related to?

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Question 79

Dolomite is an Ore of

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Question 80

The permeability in free space is equal to

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