An object is placed at the focus of a concave mirror. What type of image is formed?

Real, inverted, highly magnified, at infinity

Real, inverted, diminished, at the center of curvature

Real, inverted, magnified, beyond the center of curvature

Virtual, erect, magnified, behind the mirror

A particle executing Simple Harmonic Motion (SHM) has an amplitude A. At what position, measured from the equilibrium position, is its kinetic energy equal to its potential energy?

A divided by the square root of 2

A multiplied by the square root of 2

Square root of (3g divided by L)

Square root of (2g divided by L)

Square root of (6g divided by L)

Square root of (g divided by L)

(mu_0 * I * a / (2 * pi)) * natural logarithm of ((r + b) / r)

(mu_0 * I * b / (2 * pi)) * natural logarithm of ((r + a) / r)

(mu_0 * I * a * b) / (2 * pi * r)

(mu_0 * I * a / (2 * pi)) * natural logarithm of (r / (r + b))

IIT JEE Advanced Physics Problems - Test Paper