2001
An object is placed 15cm in front of a concave mirror of focal length 20cm. The image formed is
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2001 NECO SSCE Physics Past Questions
2001
If N.E.P.A. charges 65 kobo per kilowatt-hour for electricity supplied to consumers, what bill would an electric iron rated at 750 watts attract when used for 24 hours?
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2001
The speed of sound travelling in various media increases in the order:
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2001
The falling of light energy on a metal such that electrons are liberated from the metal is called
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2001
An object 3.00m high is placed at a distance of 7.50m from a pin-hole camera. If the image height is 6.00 cm, what is the distance of the film from the pin-hole?
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2001
The main function of the commutator in a simple d.c. motor is to
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2001
Given the same amount of beat, a quantity of water will reach a higher temperature in a brass pot than in a clay pot of the same mass because
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2001
Which is NOT one of the laws of solid friction?
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2001
An electron of charge a = 1.6 × 10-19C is situated in a uniform electric field of intensity 2.4 × 105 V m-1. What is the force on the electron?
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2001
Which statement is TRUE of a block of stone of mass m, with zero momentum?
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2001
A transformer is connected to a 250 V a.c. supply. The primary coil has 5000 turns and the secondary voltage is found to be 10 V. What is the number of turns in the secondary coil?
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2001
A wave is represented by the equation y = 0.5 sin 0.4 Ω(X - 60t), where the distance (X) is measured in centimetres and time (t) in seconds. What is the wave length of the wave?
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2001
What is the angular velocity of an object in a horizontal circular path of radius 1.5m with a constant speed of 12ms-1?
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2001
Which statement is NOT correct about molecules?
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2001
An astronaut is walking on the moon where the magnitude of the acceleration due to gravity "g’ is one-sixth that on earth. Compared with their magnitudes on the earth, his mass and weight on the moon are
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2001
The magnetic effect of a current-carrying coil is NOT utilized in the making of a/an
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2001
What part of the camera corresponds to the iris of the eye?
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2001
The wavelength of a stationary wave is 36.0cm. What is the distance between a node and the next anti-node?
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2001
When some ice cubes are added to a glass of warm water, the glass is cooled by a process of
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