Flame photometry is mainly used for, Options: A . &nbsp1st and 2nd group elements B . &nbsp3rd and 4th group elements C . &nbspWhole periodic table D . &nbspnone of this

Flame photometry is mainly used for,

Question

Flame photometry is mainly used for,

Options:

A . 1st and 2nd group elements

B . 3rd and 4th group elements

C . Whole periodic table

D . none of this

Answer: Option A

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Question 1. In Flame emission photometers, the measurement of _____________ is used for quantitative analysis....

Question 2. At a height of one meter above the centre of a circular table of diameter 4m, a bulb of 100 W hangs....

Question 3. Which of the following is not an application of Flame emission photometers?....

Question 4. What is the power of the lamp if its luminous efficiency is 2 lumen/watt and its luminous intensity is 42 candela?....

Question 5. Which of the following has more luminous efficiency?....

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Question 7. A lamp hangs at a height of 4 m above a table....

Question 8. Lux is equivalent to which of the following?....

Question 9. Which of the following sources of light is the inverse square law valid for?....

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