Question

4.. (क) 60° अपवर्तन कोण के प्रिज्म के फलक पर किसी प्रकाश किरण को किस
कोण पर आपतित कराया जाए कि इसका दूसरे फलक से केवल पूर्ण
आन्तरिक परावर्तन ही हो?​

Answer 1

Answer:Interconversion of matter refers to change of one state to another. It is a process by which matter changes from one state to another and back to original state , without any change in its chemical composition. Solid can be converted into liquids by heating .

Explanation:

Interconversion of matter refers to change of one state to another. It is a process by which matter changes from one state to another and back to original state , without any change in its chemical composition. Solid can be converted into liquids by heating .