refraction
/rɪˈfrækʃn/noun
उच्चारण रिफ़्रैक्शन
अपवर्तन
Advanced word
noun
- 1
[U] technical
the fact of light, sound or other waves changing direction when they pass from one substance into another, for example from air into water
अपवर्तन
- A pencil in a glass of water looks bent because of refraction.
- The twinkling of stars is caused by the refraction of starlight in the atmosphere.
◇Word family
refract verbrefractive adjective
?Which word?
Do not confuse refraction (light bending as it passes into another substance) and reflection (light bouncing back from a surface).
Refraction (दूसरे माध्यम में जाते समय प्रकाश का मुड़ना) और reflection (किसी सतह से प्रकाश का लौट आना) में भ्रम न करें।