In obtaining an X-ray photograph of our hand we use the principle of______________?

Related Mcqs:

Ground state energy of the 4th orbit in a H-atom is_____________?

A. 13.60 eV B. 3.40 eV C. 0.85 eV D. 1.51 eV...

The electric P.E of an electron in an orbit at a distance rn from the positive charge_____________?

A. Ke2/rn B. Ke2/rn2 C. ÀKe2/rn D. ÀKe2/rn2...

The penetrating power of X-rays depends on their______________?

A. applied voltage B. frequency C. source D. all of the above...

The metastable state for an atom in laser light is_____________?

A. 10-4 sec B. 10-5 sec C. 10-3 sec D. 10-8 sec...

In He-Ne laser the lasing action is produced by_______________?

A. Ne only B. He-Ne both C. Electrons of He D. Electrons Ne...