Question

When a metallic surface is illuminated with radiation of wavelength λ , the

stopping potential is V. If the same surface is illuminated with radiation of

wavelength 2 λ, the stopping potential is V/4. The threshold wavelength for the

metallic surfaces

(a ) 4 (b) 5 (c) 5/ 2 (d) 3​

Answer 1

More narrowly, it can be the causing of harm or suffering for specific achievement, such as killing animals for entertainment; cruelty

Answer 2

More narrowly, it can be the causing of harm or suffering for specific achievement, such as killing animals for entertainment; cruelty