The figure below shows 4 forces 3N, 10N, 3√3N and 6N acting on a particle P. The resultant of he four forces is

• A) 5N
• B) 5√ 3N
• C) 10N
• D) 10√ 3N

What is the speed of a particle of mass 10^-27kg whose wavelength is 10^-8m. [h = 6.63 x 10^-34Js]

• A. 6.63m/s
• B. 66.30m/s
• C. 663.00m/s
• D. 6630.00m/s

The maximum permissible current through a galvanometer G of internal resistance 10\(\Omega\) is 0.05A. A resistance R is used to convert G into a voltmeter with a maximum reading of 100V. Find the value of R and how it is connected to G

• A. 20,000 ohms in parallel
• B. 19,990 ohms in series
• C. 1990 ohms in series
• D. 100 ohms in series

Which of the following factors does not affect the rate of evaporation of a liquid?

• A. temperature
• B. volume
• C. wind
• D. surface area

The direction of the path taken by light is called

• A. Locus
• B. Lines
• C. Ray
• D. Beam

Two forces 100N and 60N act on an object of mass 10kg as illustrated in the diagram below. Neglecting friction, calculate the acceleration of the object.

• A. 4.0\(ms^{-2}\)
• B. 13.4\(ms^{-2}\)
• C. 16.0\(ms^{-2}\)
• D. 22.6\(ms^{-2}\)

When the direction of vibration of the particles of a medium is perpendicular to the direction of travel of a wave the wave transmitted is known as

• A. sound wave
• B. transverse wave
• C. longitudinal wave
• D. stationary wave

A block of aluminum is heated electrically by a 30 w heater if the temperature rises by 10^°c in 5 minutes, the heat capacity of the aluminum is

• A) 900 J/K
• B) 90 J/K
• C) 100 J/K
• D) 200 J/K

Which of the following substances is most viscous at room temperature?

• A. Water
• B. Alcohol
• C. Petrol
• D. Palm oil

Which of the following is not part of the electromagnetic spectrum?

• A. Radio wave
• B. Gamma ray
• C. Infra-red ray
• D. Alpha particle