27 verified questions · ~30 minutes · answer key checked against the official NTA final key across multiple sources. Text-only questions (diagram-based excluded until they can be shown properly).
Position of an ant (S in metres) moving in Y–Z plane is given by S = 2t² ĵ + 5 k̂ (where t is in second). The magnitude and direction of velocity of the ant at t = 1 s will be:
If the refractive index of the material of a prism is cot(A/2), where A is the angle of prism, then the angle of minimum deviation will be:
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