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Discuss the differences between complete budgeting and partial budgeting in farm budgeting.
Date posted:
October 18, 2018
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Describe the main importance of rangelands in Kenya today.
Date posted:
October 18, 2018
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There are four basic ways of measuring the size of the public sector. Name them.
Date posted:
October 18, 2018
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Micah's prophecy about the Messiah
Date posted:
October 17, 2018
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A radioactive element has an initial count rate of 2,400 counts per minute on a scaler. The count rate falls to 300 units per minute in 30 hours, (a) Calculate the half-life of the element (b) If the initial number of atoms in another sample of the same element is 6.0 × 1020, how many atoms will have decayed in 50 hours?
Date posted:
October 17, 2018
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The initial number of atoms in a sample is 5.12 × 1020. If the half-life of the sample is 3.0 seconds, determine the number of atoms that will have decayed after six seconds.
Date posted:
October 17, 2018
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The half-life of a sample of a radioactive substance is 98 minutes. How long does it take for the activity of the sample to reduce to 1/16th of the original value?
Date posted:
October 17, 2018
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Complete the sentences with the most appropriate prepositions.
1.It was stupid …………………her to go out without a coat.
2.Everyone was pleased ………………….the marks they scored.
3.I am bored ………………..singing every morning
4.Are you interested ………………..sports?
5.Kenya is famous ……………… her athletes.
6.I will be happy to see you married ……………. Gregory.
7.The town is crowded ..... people.
8.You will be held responsible …………………anything that happens.
9.She is sorry ……………….. her behavior last night.
10.You should be sorry …………………..missing the lesson.
11.Jemimah is fond …………………. dogs.
12.I am keen ………….. leaving this school.
13.What are you excited ……………..?
14.It seems she is upset ………………something.
15.You shouldn’t be worried …………………anything as long as I am around.
Date posted:
October 17, 2018
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Explain ways of detecting nuclear radiation.
Date posted:
October 17, 2018
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Identify the silent letter(s) in:
1.debtor
2.isle
3.mock
4.depot
5.acquit
6.womb
7.patios
8.thyme
9.handsome
10.sandwich
11.government
12.listen
13.Christmas
Date posted:
October 17, 2018
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Considering the pronunciation of highlighted letters, pick the odd word out.
1.Judge, gesture, garage
2.Jump, gift, geological
3.Fungi, just, go
4.Digit, game, gamble
5.Hygiene, prodigy, entangle
6.Gecko, gem, zoology
Date posted:
October 17, 2018
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Sodium has a work function of 2.0 e: Calculate
(a) The maximum energy and velocity of the emitted electrons when sodium is Illuminated by a radiation of wavelength 150 nm.
(b) Determine the least frequency of radiation by which electrons are emitted. (Take ‘h’ = 6.626 × 10-34 Js, e = 1.6 × 10-19, c = 3.0 × 108 m/s and mass of electron = 9.1 × 10-31 kg).
Date posted:
October 17, 2018
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The threshold frequency for lithium is 5.5 × 1014 Hz. Calculate the work function for lithium. (Take ‘h’ = 6.626 × 10-34 Js)
Date posted:
October 17, 2018
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Explain how Lobengula reacted to the various threats on the Ndebele state.
Date posted:
October 16, 2018
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Cathode Ray Oscilloscope components and functioning.
Date posted:
October 16, 2018
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Illustrate domestic wiring system with aid of a diagram
Date posted:
October 16, 2018
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A house has five rooms each with a 60 W, 240 V bulb. If the bulbs are switched on from 7.00 pm to 10.30 pm, calculate the;
(a) Power consumed per day in kWh
(b) Cost per week for lighting those rooms if it costs 90 cents per unit.
Date posted:
October 16, 2018
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An electric kettle is rated at 2,500 W and uses a voltage of 240 V. (a) If electricity costs Ksh 1.10 per kWh, what is the cost of running it for 6 hrs? (b) What would be its rate of dissipating energy if the mains voltage was dropped to 120 V?
Date posted:
October 16, 2018
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Explain the process of power transmission
Date posted:
October 16, 2018
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A step-up transformer has 10,000 turns in the secondary coil and 100 turns in the primary coil. An alternating current of 0.5 A flows in the primary circuit when connected to a 12.0 V a.c. supply.
(a) Calculate the voltage across the secondary coil (b) If the transformer has an efficiency of 90%, what is the current in the secondary coil?
Date posted:
October 16, 2018
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A current of 0.6 A is passed through a step up transformer with a primary coil of 200 turns and a current of 0.1 A is obtained in the secondary coil. Determine the number of turns in the secondary coil and the voltage across if the primary coil is connected to a 240 V mains.
Date posted:
October 16, 2018
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A material of density 8.5 gcm-3 is attached to a piece of wood of mass 100g and density 0.2 gcm-3. Calculate the volume of material X which must be attached to the piece of wood so that the two just submerge beneath a liquid of density 1.2 gcm-3.
Date posted:
October 16, 2018
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You and your group members have been assigned the topic: ‘Responsibilities of a Good Citizen’ by your teacher of History and Government. You are supposed to discuss this before you give the presentation in two days.
State three ways in which you would prepare before you start discussing the topic.
How would you ensure your group members and yourself benefit from this discussion?
Date posted:
October 16, 2018
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A balloon made up of a fabric weighing 80 N has a volume of 1.0 × 107 cm. the balloon is filled with hydrogen of density 0.9 kgm-3. Calculate the greatest weight in addition to that of the hydrogen and the fabric, which the balloon can carry in air of average density 1.25 kgm-3
Date posted:
October 16, 2018
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A solid of mass 1.0 kg is suspended using a thread and then submerged in water. If the tension on the thread is 5.0 N, determine the relative density of the solid.
Date posted:
October 16, 2018
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Describe experiment to determine the relative density of a cork
Date posted:
October 16, 2018
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A wooden block of dimensions 3 cm × 3 cm × 4 cm floats vertically in methylated spirit with 4 cm of its length in the spirit. Calculate the weight of the block. (Density of methylated spirit = 8.0 × 102 kgm-3)
Date posted:
October 16, 2018
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Determine whether rising or falling intonation is used in the sentences.
1.This music sounds good.
2.I love watching horror movies.
3.My sister’s name is Amina.
4.Blue is my favourite colour.
5.Is that tv good?
6.Do you like that movie?
7.Are you hungry?
Date posted:
October 16, 2018
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Describe experiment to demonstrate the law of flotation
Date posted:
October 16, 2018
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A block of metal of volume 60 cm3 weighs 4.80 N in air. Determine its weight when fully submerged in a liquid of density 1,200 kgm-3.
Date posted:
October 16, 2018