If an x-ray machine emits e. m.r with a wavelength of 1.00 x 10^-10 meters, what is the frequency?

We know that the Relation between Frequency and Wavelength of an EMR is given by :

 c = νλ

where 'c' is the Velocity of the Light in Vacuum which is 3 × 10⁸ Meter/sec

'ν' is the Frequency of EMR

'λ' is the Wavelength of EMR

Given Wavelength of the EMR = 10⁻¹⁰ Meter

Substituting all the Values in the Given Relation We Get :

⇒ 3 × 10⁸ = ν × 10⁻¹⁰

⇒ ν = 3 × 10¹⁸ sec⁻¹

So, The Frequency of the Given EMR is 3 × 10¹⁸ sec⁻¹

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

if it's not useful, feel free to report for mistake in answer.

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.