Physics SS2 3rd Term
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1 / 40
The pitch of a sound depends on its ____
2 / 40
An echo is heard when the reflected sound reaches the ear after____
3 / 40
The instrument used in measuring the quantity of heat is called ____
4 / 40
Sound waves travel fastest in____
5 / 40
The magnifying power of a simple microscope increases with ___
6 / 40
The reciprocal of a lens is called______
7 / 40
A fixed mass occupying 34.33 cm3 at 57°Cis compressed at constant pressure until the temperature is doubled to 114°C.Find the final volume of the fixed mass.
8 / 40
________ is the distance between optical centre and the principal focus of a lens.
9 / 40
_________is the unit of sound intensity.
10 / 40
The most deviated of spectrum (ROYGBIV) colours is _______ and _______ is the least deviated by the prism.
11 / 40
A ray passing through the optical center of a lens is ____
12 / 40
An object is placed 20cm from a converging lens. If the real image formed is 80cm. Find the focal length of the lens.
13 / 40
A prism deviates a light ray because of____
14 / 40
A candle of height 5cm is placed 30cm from a convex lens of vocal length 10cm. The height of the candles image is ____
15 / 40
In a telescope, the objective lens ____ .
16 / 40
One the following projectile occurs when a thrown object path is a combination of horizontal and vertical motion.
17 / 40
18 / 40
One of the following is a likely a defect of vision.
19 / 40
An object placed 36cm from a converging lens of a focal length 24cm, forms areal image which is 6cm high. What is the height of the object.
20 / 40
The focal length of a lens is 20 cm. Its power is ____
21 / 40
Human eye lens cannot be _____
22 / 40
The part of the human eye that controls the amount of light entering is________.
23 / 40
A wave has a frequency of 60 Hz. What is its period?
24 / 40
Which of these occur when two bodies collides or clashes together?
25 / 40
The emergent ray from a prism _______
26 / 40
________ collision happens when two bodies clashes together and then move with different velocity.
27 / 40
Dispersion of light occurs due to _________.
28 / 40
One of these has a natural lens.
29 / 40
The separation of white light into its component colors is called
30 / 40
An effort of 100N is applied to lift a load of 20N with the aid of a simple machine. Calculate the velocity ratio.
31 / 40
A car travelled a distance of 10km in 50 secs. Find the speed in metre per second (m/s).
32 / 40
All exclude one is an instrument used for measuring atmosphere pressure
33 / 40
The minimum angle of deviation occurs when the light ray
34 / 40
In a rainbow, the order of colors from outermost to innermost is.
35 / 40
is the part of the human eye where the image is formed.
36 / 40
A ray of light is incident on a glass prism. The angle between the incident ray and the emergent rayis called _______
37 / 40
The final image formed by a compound microscope is
38 / 40
The following are the types of beams except ________.
39 / 40
is the image formed by a concave lens
40 / 40
A stone is shot out from a catapult with initial velocity of 60m/s at an elevation of 30O. Find the time of flight.
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