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- Estimate the area of the irregular surface shown in the figure below by counting the small squares. The area of one complete square is 1cm2(Solved)
Estimate the area of the irregular surface shown in the figure below by counting the small squares. The area of one complete square is 1cm2
Date posted: April 15, 2019. Answers (1)
- 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)