Image. The X-ray intensity spectrum is shown for tube voltage V and target atomic number Z. If these change to V₁ and Z₁, select the correct statements.

Select all that apply

• Option A

  If V₁>V and Z₁=Z, λₘ decreases while characteristic λ′ remains unchanged.

• Option B

  If V₁>V and Z₁=Z, both λₘ and λ′ decrease.

• Option C

  If V₁=V and Z₁>Z, λₘ is unchanged while λ′ decreases.

• Option D

  If V₁>V and Z₁>Z, both λₘ and λ′ decrease.