UNIPORT Physics 2015/2016 Model 1 Past Questions

A proton moving with a speed of 1.0 x 106ms ' through a magnetic field of 1.0T experiences a magnetic-force of magnitude 8.0 x 10^-14N. The angle between the proton's velocity and the field is [Proton charge = 1.6 x 10 "C]

If two inductors of inductances 3H and 6H are arranged in series, the total inductance is

The charge carriers in gases are

²³⁵₉₂U + ¹₀n → ¹⁴⁴₅₆Ba + ⁹⁰₃₆Kr + 2X
In the reaction above, X is

The ray which causes gas molecules to glow is known as

Which of the following materials is a conductor?

During electrolysis, 2.0g of a metal is deposited using a current of 0.05 A in 3 hours. The mass of the same metal which can be deposited using a current of 1.5A in 1 hour is

The capacitance of a parallel-plate capacitor when in air is 3pf and in the presence of a dielectric material 6 IA the dielectric constant is

A person can focus objects when they lie beyond 75cm from his eyes. The focal length of the lens required to reduce his least distance of distinct vision to 25cm is

A progressive wave equation is represented by y = asin(150πT - ${πx}/4$). If the phase difference of a progressive wave is 45°, the value of x in the equation is