Physics, 22.03.2021 01:10 Piglets1228
(1) A triangular glass prism has a refractive angle of 60°.If the minimum deviation by a ray of light
passing through the glass is 42°. The refractive index is ??
(2) What is the critical angle for a transparent plastic of refractive index 2.15 immersed in oil of
refractive index 1.60
(3) In a rectangular prism, increasing the angle of incidence beyond the critical angle produces
(4) Images formed by convex mirrors are always
(5) Images formed by a plane mirror are always
(7)) A motorist switches on their headlights. If the distance along the copper connecting wires
between the car battery and the one of the light is 1.5m, what is the average time an individual
electron will take to drift between the battery and the light? take the current in the wire to be 3A and
the cross sectional area of the wire to be 3X10-7m.
(8) The image formed by a diverging lens is always
Answers: 1
Physics, 22.06.2019 14:30, sross8799
Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
Answers: 2
Physics, 22.06.2019 17:00, WorkingButNotReally
If a negatively charged particle is placed at rest in an electric potential field that increases in the positive x-direction, what will the particle do? a. accelerate in the positive x-direction b. remain at rest c. accelerate in the negative x-direction
Answers: 3
(1) A triangular glass prism has a refractive angle of 60°.If the minimum deviation by a ray of ligh...
Mathematics, 25.03.2020 18:48
Mathematics, 25.03.2020 18:48
History, 25.03.2020 18:48
History, 25.03.2020 18:48
History, 25.03.2020 18:48