Ngondo Physics

Form Four - Miscellaneous Quiz 4

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🕰️ Duration: 15 minutes

❓ Number of Questions: 2

⏰ Time Remaining: 15:00

⌛ Progress: 0 / 2

What would be the reason behind for the door of a physics laboratory to be designed open outward?

A. To meet the conditions that would be instructed by the laboratory technician. B. To make people able to run comfortably as they get out the laboratory. C. To allow safe exit in case of emerging accidents. D. To allow enough air to enter in the laboratory E. To allow dangerous radiations get out the laboratory.

The diagram below shows a piece of ruler and the position of the eye of a Form One student who is measuring length of an object by using the ruler, unfortunately he/she gets an error.

What value and type of the error does the student get?

A. 0.2±, instrumental error. B. 0.2± , parallax error. C. 0.8± , instrumental error. D. 1.2± , parallax error. E. 0.8± , parallax error.

An aluminium block of mass 2kg rests on a steel platform. A man applies a horizontal force of 10N to push the block horizontally, but the block does not move. If the coefficient of static friction between the platform and the aluminium block is 0.6, why the block does not move when it is pushed by the man?

A. The force applied by the man to the aluminium block is less than the static frictional force trying to oppose the motion of the block. B. The force applied by the man to the block is greater than the static frictional force trying to oppose the motion of the block. C. The normal reaction provided by the surface of the platform to support the aluminium block is 200N. D. The aluminium block takes large surface area on the platform. E. The speed of the aluminium block along the platform is too small.

How much would be the new reading if 50 drawing pins, each of average volume 0.1cm³ were added to the water contained in a burette whose initial reading was 35.5cm³ ?

A. 14.5 cm³ B. 40.5cm³ C. 5.4cm³ D. 85.5cm³ E. 50.1cm³

Which of the following statements is not true about the particles in a gas?

A. The particles of gas move at high speed. B. The collision between the gas particles and the wall of the container is elastic. C. The gas particles move randomly in all directions. D. The gas particles are arranged in regular patterns. E. The particles of gas cannot be seen by naked eyes but they can be just felt.

People eat food every day without missing. What form of energy do people get from food after eating?

A. Mechanical energy B. Heat energy C. Solar energy D. Radiant energy E. Chemical energy

A girl is looking her smile face at the reflecting surface of a plane mirror.

Which one of the following characteristics will be of the image of this smile face?

A. Real B. Magnified C. Inverted D. Virtual E. Diminished

By comparison, the perception of radio waves around a hill is better than the perception of television waves around the same hill. Which one of the following would be the set of reasons for these transmissions of electromagnetic waves:

A. Radio waves have large diffraction around a hill due to long wavelengths they have, while television waves cannot diffract around a hill because they have shorter wave lengths than that of radio waves. B. Television waves have large diffraction around due to short Wavelengths they have, while radio waves cannot diffract around the hill because they have long wavelengths. C. Radio waves are electromagnetic waves while television waves are mechanical waves. D. Radio waves have speed t h e same as that of light while television waves have no speed at all. E. Television waves are longitudinal waves while radio waves are mechanical waves.

A stone of mass 2kg falls from a tall building 5m high and strikes the ground. What speed o impact would be experienced by stone on the ground?

A. 100m/s B. 900m/s C. 25m/s D. 30m/s E. 40m/s

The environmental pollution and global warming are the world problems nowadays. Which one of the following is the root cause of these problems?

A. Use of sustainable sources of energy for cooking B. Burning non-renewable materials such as fuels which produce a lot of carbon dioxide and that is then wasted in the atmosphere. C. Afforestation measures. D. Most of people do not study meteorology. E. Depletion of ozone layer.