Must have:- (i) Same speed
(ii) Same frequency
(iii) Same of nearly equal amplitudes
sharon kalunda answered the question on April 5, 2019 at 06:54
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between deep and shallow region.(Solved)
Figure below shows the displacement of a particle in a progressive wire incident on a boundary
between deep and shallow region.
Complete the diagram to show what is observed after bounding. (Assume no loss of energy)
Date posted: April 5, 2019. Answers (1)
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The figure below shows a wave profile with velocity 340m/s
a)Determine:
(i) The frequency of the wave
(ii) The period of the wave
(b) On the same diagram above sketch a wave profile of another wave with same
frequency, greater amplitude but 180o out of phase with the one in (a)
Date posted: April 5, 2019. Answers (1)
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The diagram below represents plane wave fronts produced in a ripple tank.
Given that the distance AB is 15 cm, determine the wavelength of the wave
Date posted: April 5, 2019. Answers (1)
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The figure below shows waves starting from two coherent sources S1 and S2.
What would be observed at P if the waves are
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Date posted: April 5, 2019. Answers (1)
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to show what happens when the waves hit the reflector.(Solved)
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Date posted: April 5, 2019. Answers (1)
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The figure below shows a piston inside a glass tube
i)Air inside is made to vibrate producing a fundamental note. Find the fundamental frequency
to be produced
ii)If the glass tube is made open by removing the piston and opening the other end, what is
the new fundamental frequency?
Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
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500g of a metal is heated to 100oC and then placed in a 200g mass of water at 15oC. If the final temperature rises to 21oC, calculate the specific heat capacity of the metal.
(Specific heat capacity of water = 4200J/kg
Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
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Construct a ray diagram to locate the...(Solved)
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Construct a ray diagram to locate the position of the image
Date posted: April 5, 2019. Answers (1)
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80g. A piece of ice at 0° C and...(Solved)
Water of mass 200g at temperature of 60°Cis put in a well lagged copper calorimeter of mass
80g. A piece of ice at 0° C and mass 20g is placed in the calorimeter and the mixture stirred
gently until all the ice melts. The final temperature, T, of the mixture is then measured.
Determine:
i) The heat absorbed by the melting ice at O°C
ii) The heat absorbed by the melted ice (water) to rise to temperature T (answer may be
given in terms of T)
iii) The heat lost by the warm water and the calorimeter (answer may be given in terms of T)
iv) The final temperature of the mixture
Date posted: April 5, 2019. Answers (1)
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from the lens, Determine :-(Solved)
A thin converging lens of focal length 30cm is used to form a real image on a screen 90cm
from the lens, Determine :-
(i) The object distance
(ii) The magnification
Date posted: April 5, 2019. Answers (1)
- The figure below shows an object, O, placed in front of an objective lens Lo whose focal
length, ƒo is less than the focal length of...(Solved)
The figure below shows an object, O, placed in front of an objective lens Lo whose focal
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Date posted: April 5, 2019. Answers (1)
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of mercury. What is the altitude...(Solved)
The barometric height at sea level is 76cm of mercury while at a point on a highland it is 74cm
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Date posted: April 5, 2019. Answers (1)
- An object of height 10cm is placed in front of a diverging lens of focal length 25 cm and at a
distance of 20 cm from...(Solved)
An object of height 10cm is placed in front of a diverging lens of focal length 25 cm and at a
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Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
- The figure below shows to light pith balls arranged as shown.
State what is observed when air is blown on the outer sides of the pith...(Solved)
The figure below shows to light pith balls arranged as shown.
State what is observed when air is blown on the outer sides of the pith balls.
Date posted: April 5, 2019. Answers (1)
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Date posted: April 5, 2019. Answers (1)
- A person’s lung pressure as recorded by a mercury manometer is 90 mm Hg. Express this
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A person’s lung pressure as recorded by a mercury manometer is 90 mm Hg. Express this
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Date posted: April 5, 2019. Answers (1)