1. Any ray close and parallel to the principal axis is reflected through the principal focus.
2. Any ray that passes or appearing to be passing through principal focus is reflected parallel to the principal axis.
3. Any ray passing or appearing to pass through the centre of Curvature is reflected along the same path.
chrispohmomanyi answered the question on September 24, 2017 at 06:04
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(a) List and describe the three states of equilibrium (b) State two applications of stability
(Solved)
(a) List and describe the three states of equilibrium
(b) State two applications of stability
Date posted:
September 23, 2017
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Answers (1)
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In relation to clockwise and anticlockwise moments, state the law of moments. State the units of moments...
(Solved)
In relation to clockwise and anticlockwise moments state the law of moments.
State the units of moments of a force.
Date posted:
September 23, 2017
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Answers (1)
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(a) State Newton’s first law of motion (b) Distinguish between heat capacity and specific heat capacity of a body
(Solved)
(a) State Newton’s first law of motion
(b) Distinguish between heat capacity and specific heat capacity of a body
Date posted:
September 21, 2017
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Answers (1)
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Light travels through glass of of light in air = 3.0 x 108 m/s) refractive index 1.5 with a speed v. Calculate the value of...
(Solved)
18.Light travels through glass of of light in air = 3.0 x 108 m/s) refractive index 1.5 with a speed v. Calculate the value of v
Date posted:
September 21, 2017
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Answers (1)
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State two factors that affect the rate of diffusion in fluids.
(Solved)
State two factors that affect the rate of diffusion in fluids.
Date posted:
September 21, 2017
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Answers (1)
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What do you understand by the term sublimation.
(Solved)
What do you understand by the term sublimation.
Date posted:
September 21, 2017
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Answers (1)
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State the kinetic theory of matter.
(Solved)
State the kinetic theory of matter.
Date posted:
September 21, 2017
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Answers (1)
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State any two applications of pressure in fluids.
(Solved)
State any two applications of pressure in fluids.
Date posted:
September 21, 2017
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Answers (1)
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Define atmospheric pressure
(Solved)
Define atmospheric pressure
Date posted:
September 21, 2017
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Answers (1)
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State the law of transmission of pressure in fluids.
(Solved)
State the law of transmission of pressure in fluids.
Date posted:
September 21, 2017
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Answers (1)
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Define a resultant vector.
(Solved)
Define a resultant vector.
Date posted:
September 21, 2017
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Answers (1)
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Define weight and state its SI unit.
(Solved)
Define weight and state its SI unit.
Date posted:
September 21, 2017
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Answers (1)
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State the difference between scalar and vector quantities.
(Solved)
State the difference between scalar and vector quantities.
Date posted:
September 21, 2017
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Answers (1)
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Differentiate between gravitational force and centripetal force
(Solved)
What is the difference between gravitational force and centripetal force?
Date posted:
September 21, 2017
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Answers (1)
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State four types of forces
(Solved)
State four types of forces
Date posted:
September 21, 2017
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Answers (1)
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Define Force and state its SI unit
(Solved)
Define Force and state its SI unit
Date posted:
September 21, 2017
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Answers (1)
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Define time and state its SI unit
(Solved)
Define time and state its SI unit
Date posted:
September 21, 2017
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Answers (1)
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State any three units of measuring mass.
(Solved)
State any three units of measuring mass.
Date posted:
September 21, 2017
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Answers (1)
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State three laboratory apparatus used to measure volume.
(Solved)
State three laboratory apparatus used to measure volume.
Date posted:
September 21, 2017
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Answers (1)
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Define area and state its SI unit.
(Solved)
Define area and state its SI unit.
Date posted:
September 21, 2017
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Answers (1)