Question 1
If both the mass of a simple pendulum and its length are doubled, the period will
◦ increase by a factor of
![](data:image/png;base64, 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)
.
◦ increase by a factor of 2.
◦ be unchanged.
◦ increase by a factor of 4.
◦ increase by a factor of 1
/![](data:image/png;base64, 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)
.
Question 2
What is the wavelength of the wave shown in the figure?
![](data:image/png;base64, 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)
◦ 4 m.
◦ 1 m.
◦ 8 m.
◦ 2 m.
◦ It cannot be determined from the given information.