A block takes t time to slide down a plane inclined at 45° to the horizontal. If the surface is made smooth (frictionless), the block takes time t/2 to slide down the plane. The coefficient of friction between the block and the inclined plane is ((α)/100). The value of α is _ _ _.

Laws of Motion: JEE Main 2026 Physics question

JEE Main 2026 · 6 Apr, Evening shift · Q46

JEE Main 20266 Apr, Evening shiftPhysicsMediumLaws of Motion70× since 2002

A block takes

t

time to slide down a plane inclined at

45^\circ

to the horizontal. If the surface is made smooth (frictionless), the block takes time

\dfrac t2

to slide down the plane. The coefficient of friction between the block and the inclined plane is

\left(\dfrac{\alpha}{100}\right)

. The value of

\alpha

is ______.

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2026 Laws of Motion Question with Solution (6 Apr Evening shift, Q46) | JEE Arc