Physics Past Questions

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2476

Which of the following distances is usually adjustable in the camera? The distance between the

A. lens and the film
B. diaphragm and the shutter
C. shutter and the film
D. diaphragm and the film

View Answer & Discuss (7) WAEC 2006

2477

A travelling microscope is focused on a mark on a table. If a glass block of thickness 18.0cm is placed on the mark by how many centimeters will the microscope be moved upwards so as to focus the mark once again? [refractive index of glass = 1.5]

A. 27cm
B. 24cm
C. 9cm
D. 6cm

View Answer & Discuss (1) WAEC 2006

2478

In which of the following media would sound wave travel fastest?

A. wood
B. water
C. iron
D. mercury

View Answer & Discuss (1) WAEC 2006

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2479

Which of the following actions is necessary in order to tune a string to produce a note of an octave higher than its fundamental?

A. doucling the length of the string
B. reducing the tension by half
C. reducing the mass per unit length
D. increasing the tension four times

View Answer & Discuss (5) WAEC 2006

2480

The acceleration due o gravity may be defined as the force

A. of attraction of the sun and on the earth
B. with which the earth revolves around the sun
C. with which the earth attracts one kilo-gram mass
D. of the moon on the earth

View Answer & Discuss WAEC 2006

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