20 verified questions · ~22 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).
Two projectiles are fired with same initial speed from same point on ground at angles of (45° − α) and (45° + α), respectively, with the horizontal direction. The ratio of their maximum heights attained is:
An electric dipole of mass m, charge q, and length l is placed in a uniform electric field E⃗ = E₀î. When the dipole is rotated slightly from its equilibrium position and released, the time period of its oscillations will be:
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