2 Mark Question

Questions

2 questions · self-marked practice — reveal the answer and mark yourself.

Question 12 Marks

Write the following statements using symbol of variation.

The wavelength of sound (l) and its frequency (f) are in inverse variation.
The intensity (I) of light varies inversely with the square of the distance (d) of a screen from the lamp.

Answer

1. $l \propto \frac{1}{\mathrm{f}}$
2. $I \propto \frac{1}{\mathrm{~d}^2}$

Question 22 Marks

Write the following statements using the symbol of variation.

Circumference (c) of a circle is directly proportional to its radius (r).
Consumption of petrol (l) in a car and distance traveled by that car (d) are in direct variation.

Answer

Maths 2 Mark Question