Question

Which of the following metals is sensitive to a wide range of photons from across the entire visible range of the electromagnetic spectrum?

Solution

Correct option is

Cs

Cs; the minimum photon energy necessary to displace an electron is least for Cs and thus Cs is sensitive to a wide range of photons, from across the entire visible range of the electromagnetic spectrum.

SIMILAR QUESTIONS

Q1

 

The general formula of an alum is 

where M is univalent and M’ is a trivalent metal which of the following does not form alum?

Q2

Which of the following is a neither deliquescent nor efflorescent and is used for wool washing?

Q3

Which of the following is commercially known as oxone?

Q4

Which of the following is called black ash?

Q5

An alloy of which pair of metals is liquid at ordinary temperature and is used in special thermometers used for finding temperature above the boiling point of mercury.

Q6

Which of the following compounds is used in preparation of green fire?

Q7

Which of the following is obtained on hydrolysis of Mg2C3?

Q8

Which of the following is a component of most kidney stones?

Q9

Which property of sodium is being used in street lights?

Q10

Out of the following hydroxide, select the one that has highest solubility and the least negative lattice enthalpy.