Refraction of Light
Q: Light enters glass (n=1.51) at 30° incidence. Angle of refraction?
Did You Know?
The correct collocation is 'does his homework'. 'Do' is the verb that collocates with 'homework' to mean completing it. Example: 'Students should do their homework every day.' Other options: 'makes homework' is incorrect as 'make' implies creating something; 'writes homework' might be used if it involves writing, but 'do' is more general; 'finishes homework' emphasizes completion but isn't the standard collocation for the action itself.
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