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1. Transverse waves: Water waves, waves from a string
2. Longitudinal waves: sound waves
johnmulu answered the question on February 11, 2017 at 08:25
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Calculate the wavelength of the KBC FM radio wave transmitted at a frequency of 95.6 Mega Hertz.
Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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A spring extends by 6 cm when supporting a mass of 0.06 kg on earth. When the spring is used to support the same mass on the moon, it extends by 1 cm. Determine the moon's gravitational strength. (Take gravitational field strength on earth as 10 Nkg-1)
Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
- An object of weight 20 N attached at the end of a spring causes an extension of 0.5 cm on the spring(Solved)
An object of weight 20 N attached at the end of a spring causes an extension of 0.5 cm on the spring.
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Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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State Hooke's law.
Date posted: February 11, 2017. Answers (1)
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A wire fixed at one end extends by 4mm when a load of 20N is suspended from the other end. Determine the load that would cause an extension of 1.5 mm on the wire. (Assume elastic limit is not exceeded)
Date posted: February 11, 2017. Answers (1)
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State two ways in which the strength of an electromagnet can be increased.
Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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State two ways of increasing the force on the coil.
Date posted: February 11, 2017. Answers (1)
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Give reason why the core of the electromagnet of an electric bell is made of soft iron and not steel.
Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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Date posted: February 9, 2017. Answers (1)
- State one application of each the following.
(i) Convex mirror
(ii) Parabolic mirror
(iii) Concave mirrors(Solved)
State one application of each the following.
i) Convex mirror
ii) Parabolic mirror
(iii) Concave mirrors
Date posted: February 7, 2017. Answers (1)
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Date posted: February 7, 2017. Answers (1)
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Date posted: February 7, 2017. Answers (1)
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Date posted: February 7, 2017. Answers (1)