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### Radioactive Radiation * **γ-ray** → neutral * γ-rays are highly energetic radiations with much lower wavelengths than x-rays. * γ-rays have the highest penetration power than alpha, beta, and gamma rays. * γ-rays are a part of the electromagnetic Spectrum. * Penetration power of alpha: beta: g...

### Radioactive Radiation * **γ-ray** → neutral * γ-rays are highly energetic radiations with much lower wavelengths than x-rays. * γ-rays have the highest penetration power than alpha, beta, and gamma rays. * γ-rays are a part of the electromagnetic Spectrum. * Penetration power of alpha: beta: gamma rays = 1:100:1000 * Gamma rays are most harmful to biological species compared to alpha and beta rays due to their highest penetration power and can cause mutations in biological species. ### Effect of Radiations on Photographic Plate * α-rays, β-rays, and γ-rays affect the photographic plate. But the maximum effect is shown by β-rays due to their highest e/m ratio. A diagram shows the penetration of radioactive rays through photographic plates and lead blocks. The rays are labeled as α, β, and γ.