Physics

A. Direction of velocity and acceleration changes B. Direction of Displacement and acceleration changes C. Direction of Displacement and Velocity changes D. Direction of Displacement, Velocity and acceleration changes

A. 0 B. π2 C. 2 π2 D. 4 π2

A. Zero B. E/2 C. E D. E/(2)1/2

A. in adiabatic expansion B. in adiabatic compression C. in isothermal expansion D. in isothermal compression

A. 4 : 1 B. 1 : 1 C. 2 : 1 D. 1 : 2

A. 320 Hz B. 640 Hz C. 160 Hz D. 480 Hz

A. F B. F/2 C. F/4 D. F/8

A. – 1.6 × 10–12 coulomb B. – 1.6 × 10–13 coulomb C. – 1.6 × 10 –18 coulomb D. – 1.6 × 10 coulomb

A. 100 C m–2 B. 200 C m–2 C. 300 C m–2 D. 400 C m–2

A. Decreases B. increases C. remains the same D. becomes zero