i) Fringe separation is increased
ii) Fringe separation is increased
iii) A uniform illumination is produced
Kavungya answered the question on May 31, 2019 at 07:31
- The wave shown in figure below has a velocity of 200m/s
Determine
i) The period T of the wave
ii) The frequency of the wave.
iii)...(Solved)
The wave shown in figure below has a velocity of 200m/s
Determine
i) The period T of the wave
ii) The frequency of the wave.
iii) The wavelength of the wave.
Date posted: May 31, 2019. Answers (1)
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Given that the size of the load is 500N and the effort applied...(Solved)
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Date posted: May 31, 2019. Answers (1)
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On the figure, sketch the electric field pattern around the charge.(Solved)
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On the figure, sketch the electric field pattern around the charge.
Date posted: May 31, 2019. Answers (1)
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A 200g mass of copper was heated to 100°C and then transferred to a lagged copper calorimeter of mass 5g containing 125g of water at 30°C. Calculate the final temperature of water. (Specific heat capacity of copper = 400J/KgK, water =4200J/KgK).
Date posted: May 31, 2019. Answers (1)
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a) On the same figure, draw a ray...(Solved)
Figure below shows an object placed 5cm in front of a convex lens whose focus length is 10cm.
a) On the same figure, draw a ray diagram to show the position of the image formed.
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ii) The image size
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Date posted: May 31, 2019. Answers (1)
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ii) Determine the specific heat capacity of the substance in solid state.
Date posted: May 31, 2019. Answers (1)
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Date posted: May 31, 2019. Answers (1)
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On the same diagram, show how a cell may be connected so that it...(Solved)
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On the same diagram, show how a cell may be connected so that it is reverse biased.
Date posted: May 31, 2019. Answers (1)
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as it...(Solved)
A bullet is fired from a gun at a velocity of 10m/s. It strikes the tree, perpendicularly and penetrates deeply. If it stops just
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ii) Time taken by the bullet in the tree.
Date posted: May 31, 2019. Answers (1)
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The expression below is an equation for a radioactive element P. Element Q and R are the daughter nuclides. P, Q and R are not the actual symbols of any of the elements.
Identify the element R and state two of its characteristics.
Date posted: May 31, 2019. Answers (1)
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the upward velocity to...(Solved)
A ball is thrown vertically upwards from the ground. It rises up to the highest point and then returns to the ground.Taking
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Date posted: May 31, 2019. Answers (1)
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(Density of air and helium are 1.25kg/m3 and 0.2kg/m3 respectively)
i) Indicate all the forces acting on the system.
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iii) Calculate the upthrust on the balloon.
Date posted: May 31, 2019. Answers (1)
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Explain why most of the x-ray tube is surrounded by lead metal.
Date posted: May 31, 2019. Answers (1)
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On the diagram sketch the reflected waves.(Solved)
Figure below shows circular waves approaching a plane barrier in uniform medium.
On the diagram sketch the reflected waves.
Date posted: May 31, 2019. Answers (1)
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Date posted: May 31, 2019. Answers (1)
- Figure below shows an object placed in front of a convex mirror.
On the same diagram draw the appropriate rays and locate the image formed.(Solved)
Figure below shows an object placed in front of a convex mirror.
On the same diagram draw the appropriate rays and locate the image formed.
Date posted: May 31, 2019. Answers (1)
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Explain why objects float higher in salty water than in fresh water.
Date posted: May 31, 2019. Answers (1)
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A person of mass 50kg is on a swing which has a speed of 10m/s at the lowest point of its motion. The ropes of the swing
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Date posted: May 31, 2019. Answers (1)
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i) Determine its centripetal acceleration.
ii) How long does...(Solved)
A motorcycle is travelling at a constant speed of 72km/h around a circular track of radius 150m.
i) Determine its centripetal acceleration.
ii) How long does the cyclist take to complete one full cycle of the track?
Date posted: May 31, 2019. Answers (1)
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Complete...(Solved)
Figure below shows an incident ray normal to the surface BC of a right-angled glass prism ABC. The critical angle of the glass is 420
Complete the diagram to show the path of the ray.
Date posted: May 31, 2019. Answers (1)