When a light wave approaches a glass-air interface from the glass side at the critical angle, the angle of refraction is . __ 43^circ 48^circ o 45^circ

Find the conductivity of a conduit with a cross-sectional area of $0.750cm^{2}$ and a length of 15.0 cm, given that its conductance G is $0.500ohm^{-1}.$ $18ohm^{-1}cm^{-1}$ $10.0ohm^{-1}$ $2.0ohm^{-1}cm^{-1}$ $5.0ohm^{-1}cm^{-1}$

When light is reflected from a smooth, plane mirror Multiple Choice the angle of reflection is the same as the angle of incidence. most of the light is scattered into multiple directions. the light is changed to a lower frequency. the wave characteristics are predominant.

Which of the following will induce a greater emf in the secondary coil of a generator? A constant potential in the primary coil. A greater number of loops in the primary coil. A fewer number of loops in the secondary coil. A smaller area in the secondary coil.

Which of the following is accurate about the Coriolis Effect? The apparent deflection of objects is zero at the equator. The apparent deflection of objects is greatest at the equator. The apparent deflection of objects is the same at all locations on the globe. The apparent deflection of objects is the least at the Poles.

The insulation in walls uses which of the following methods to prevent heat transfer? (select all that apply) A convection B radiation C conduction

Heat that we can feel and is measurable is called: Heat cannot be measured Illogical Latent Sensible

The period of the moon's rotation on its axis is the same as its revolution around the Earth much longer than its revolution around the Earth longer or shorter depending on what part of the year we are in much shorter than its revolution around the Earth

33. What are the two ways that light quality can be characterized? direct or indirect light bright and dim light hard and soft light round and curved light

A soccer player runs up behind a soccer ball (of mass 0.50 kg) that is moving at $3.5m/s$ in the same direction as the player. The soccer player kicks it and the ball moves with a speed of $13.5m/s$ What is the magnitude of the impulse (in $kgm/s)$ delivered to the soccer ball? A 5.0 B 7.5 C 10 D 15

What path can a light ray travel through the glass core of an optical fiber? angle of incidence angle of refraction light coupling mode