sci ns Flashcards
(15 cards)
The wavelength of this wave is marked by:
B
A wave is generated in water using a vibrator. If the frequency of the waves is increased, the wavelength will:
B
An example of electromagnetic wave motion is:
A
The diagram shows a light ray traveling towards a mirror. What will be the value of the angle θ?
A
The phenomenon whereby white light is split into its component colours is called:
D
Current is a measure of:
B
Heat energy travels from the sun to earth through:
A
What is the voltage drop across a 3.7 Ω resistor if the current in the circuit is 4.6 A?
A
Most household electricity is:
B
Which parts of the eye does refraction occur in?
D
A difference between light waves and sound waves is:
B
Which of the following statements regarding conventional current and the flow of electrons is the most correct?
D
What is the wavelength of electromagnetic radiation with a frequency of 1.5×10
10
Hz (speed of light =
3.0
×
1
0
8
ms
−
1
3.0×10
8
ms
−1
)?
B
Air conditioning was switched on in an empty room, and after 10 minutes, the temperature of the room increased by 5°C. How was the room heated up?
C
In the circuit diagram below, the three lamps depicted are identical. If the circuit at point X is cut, what will happen to the lamp depicted by letter Y?
A
