3. The formula for single slit interference is θ = λ/b.
λ is the wavelength of the wave directed at the single slit. What do θ and b represent?
Which of these graphs shows the variation with displacement of..
an SHM system?
is is a simple harmonic oscillation, with a time period of T.
ced with a mass of 4m?
nd the acceleration at the lowest point of the oscillation?
velocity
Acceleration
A
zero
zero
B
zero
maximum
C
maximum
zero
D
maximum
maximum
. The graph shown here gives the displacement of the mass from the centre point at a time T.
Which of the following graphs shows the variation of velocity at a time T?
9. A pendulum of mass m and length l has a time period T.
Which of the following formulas correctly gives l in terms of m, T and the gravitational field strength, g?
10. On a planet in our solar system, a pendulum of length 1 m swings with a time period of 2 seconds.
To a good approximation, π2 = 10.
What is the value of the gravitational field strength on this planet?




A. 20 N kg-1
B. 10 N kg-1
C. 4 N kg-1
D. 1 N kg-1