Find the value of the angle of emergence from the prism given below for the incidence ray shown. The refractive index of the glass is .
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA beam of light is incident vertically on a glass slab of thickness 1 cm, and refractive index 1.5. A fraction 'A' is reflected from the front surface while another fraction 'B' enters the slab and emerges after reflection from the back surface. Time delay between them is:
1. 10-10 s
2. 5 × 10-10 s
3. 10-11 s
4. 5 × 10-11 s
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology