Showing 1–3 of 3

Q1.Disorder in a system is called

Easy
A Entropy
B Conviction
C Contradiction
D None of these
Energy PPSC 2026

Correct Answer: A

Q2.In an inelastic collision, which of the following is NOT conserved?

Medium
A Total Momentum
B Kinetic Energy
C Total Mass
D None of these
Energy FPSC 2026

Correct Answer: B

Kinetic energy is lost to internal friction, heat, or sound in inelastic collisions (FPSC 2026).

Q3.What is the main source of energy for our Earth?

Medium
A The Moon
B The Sun
C Volcanoes
D Nuclear Fusion in core
Energy FPSC 2026

Correct Answer: B

Solar radiation powers the biosphere and climate systems (FPSC 2025).