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- In an experiment to estimate the height of a tree in Nyabururu Girls’ Secondary School compound, Grace recorded the following data.(Solved)
In an experiment to estimate the height of a tree in Nyabururu Girls’ Secondary School compound, Grace recorded the following data.
I. Length of shadow of the tree= 1000cm
II. Length of shadow of the rod = 200cm
III. Height of the rod = 100cm
Determine the height of the tree
Date posted: April 15, 2019. Answers (1)
- Give the sources of Error When Using a Meter Rule(Solved)
Give the sources of Error When Using a Meter Rule
Date posted: April 15, 2019. Answers (1)
- Which factors are Considered When Choosing an Instrument for Measuring Lengths?(Solved)
Which factors are Considered When Choosing an Instrument for Measuring Lengths?
Date posted: April 15, 2019. Answers (1)
- Give reasons for Establishing SI Units?(Solved)
Give reasons for Establishing SI Units?
Date posted: April 13, 2019. Answers (1)
- Show the relationship between Physics, Other Subjects and Technology(Solved)
Show the relationship between Physics, Other Subjects and Technology
Date posted: April 13, 2019. Answers (1)
- What does the study of physics entail?(Solved)
What does the study of physics entail?
Date posted: April 13, 2019. Answers (1)
- What is the definition of Physics?(Solved)
What is the definition of Physics?
Date posted: April 13, 2019. Answers (1)
- Describe an experiment to demonstrate how impurities affect the melting point of a substance.
(Solved)
Describe an experiment to demonstrate how impurities affect the melting point of a substance.
Date posted: April 11, 2019. Answers (1)
- An object is placed (a) 18cm and (b) 4cm in front of a concave mirror of focal length 12cm. Determine the position and nature of the...(Solved)
An object is placed
a) 18cm and
b) 4cm in front of a concave mirror of focal length 12cm.
Determine the position and nature of the image formed in each case;
Date posted: April 11, 2019. Answers (1)
- An object is placed 30cm from a concave mirror of focal length 20cm. Calculate;
a. Image position
b. Magnification(Solved)
An object is placed 30cm from a concave mirror of focal length 20cm. Calculate;
a. Image position
b. Magnification
Date posted: April 11, 2019. Answers (1)
- State the laws of reflection which apply to both concave and convex mirrors(Solved)
State the laws of reflection which apply to both concave and convex mirrors.
Date posted: April 11, 2019. Answers (1)
- Define the term aperture(Solved)
Define the term aperture.
Date posted: April 11, 2019. Answers (1)
- Find the moment of force in the figure below(Solved)
Find the moment of force in the figure below
Date posted: April 11, 2019. Answers (1)
- Find the moment of force in the figure below, if F=10N and d=30cm(Solved)
Find the moment of force in the figure below, if F=10N and d=30cm
Date posted: April 11, 2019. Answers (1)
- Find the area of a rectangle that measures 4.26m by 2.77m and write your answer correct to 2
significant figures and 4 significant figures.(Solved)
Find the area of a rectangle that measures 4.26m by 2.77m and write your answer correct to 2
significant figures and 4 significant figures.
Date posted: April 11, 2019. Answers (1)
- Find the reading in the figure below.If it has a zero error of -0.03(Solved)
Find the reading in the figure below.If it has a zero error of -0.03
Date posted: April 11, 2019. Answers (1)
- What does Self demagnetisation mean?(Solved)
What does Self demagnetisation mean?
Date posted: April 11, 2019. Answers (1)
- What does Shielding a magnetic material mean?.(Solved)
What does Shielding a magnetic material mean?.
Date posted: April 11, 2019. Answers (1)
- What is meant by the term magnetic lines of force-(Solved)
What is meant by the term magnetic lines of force-
Date posted: April 11, 2019. Answers (1)
- Define the term magnetic field(Solved)
Define the term magnetic field.
Date posted: April 11, 2019. Answers (1)