When light travels from one medium to another (from air to water, for example) it gets bent. This is called which of the following?

A. reflection

B. refraction

C. diffraction

D. polarization

After heavy rains, the floodplain of a river can deposit sediment. The newly deposited soil is nutrient rich and would be good A. to use in a construction area. B. for growing vegetation and crops. C. for holding objects in the ground. D.

Even though animals can communicate with each other to a limited extent, no animal can express itself through: A : motions B : noises C : speech D : instinct

What happens when a negatively charged object A is brought near a neutral object B? A Object B gets a negative charge B. Object B gets a positive charge. Cobject B stays neutral but becomes polarized. D. Object Agets a positive charge.

What materials in a torch are conductors and insulators?

4. Water is flowing at 12m/s in a horizontal pipe under a pressure of 600kpa radius 2cm. a. What is the speed of the water on the other side of 0.5cm radius? b. What is the pressure of the other side?

Which type of electromagnetic waves have longer wavelengths that the waves that make up visible light.

A charge of 11 mu or micro CC is 10 cm above the center of a square of side length 20 cm. Find the flux through the square.

A 12.0 khz, 16.0 v source connected to an inductor produces a 4.00 a current. what is the inductance?

The personal cost per smoker per year is estimated to be $2,500.

A tight rope walker traverses a wire with the aid of a balancing pole. The moment of inertia of the person about their COG (Iperson) is 15 kg m^2. The moment of inertia of the pole about its COG (Ipole) is 250 kg m^2.