Question

Question 1. Which of the following are properties of a parallel circuit?

1. the current is the same in each device in the circuit
2. current is divided among devices in the circuit
3. the voltage is divided among devices in the circuit
4. both the voltage is the same across each device in the circuit and the current is divided among devices in the circuit

Question 2. Which of the following is a FALSE statement?

1. light travels slower in Glass than in Water
2. A light ray bends towards the normal when it goes from a heavier to a lighter medium
3. diamond sparkles because it has a low critical angle
4. the apparent depth of an object in water is less than its actual depth

Question 3. Which of the following is a TRUE statement?

1. concave mirrors have a negative focal length
2. convex mirrors always give real images
3. far-sighted people must wear converging lenses
4. diverging lenses can be used as a good tool to burn up ants

Question 4. An object of height = 8 cm is standing 40 cm in front of a Concave Mirror of Focal Length = 30 cm. What is the Image Distance and the Image Height?

1. 120 cm, +24 cm
2. 40 cm, -8 cm
3. -120 cm, -24 cm
4. 120 cm, -24 cm
5. 80 cm, -16 cm

Question 5. In the previous problem, is the image Real or Virtual, Diminished or Enlarged, Inverted or Upright?

1. Real, Enlarged, Inverted
2. Virtual, Enlarged, Inverted
3. Real, Diminished, Inverted
4. Real, Enlarged, Upright
5. Virtual, Diminished, Upright

Answer 1