IGCSE Cambridge Secondary Grade 10 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
A bigger crest is formed at the point where two smaller crests from two different sources meet simultaneously is called

(A) Waves in phase	(B) Waves out of phase
(C) Interference	(D) Polarisation

Question-2
The behaviour of water waves can be studied in

(A) Deep water	(B) Shallow water
(C) Ripple tank	(D) Sea water

Question-3
Waves travel more slowly in

(A) Ocean	(B) River water
(C) Shallow water	(D) Deep water

Question-4
Which rays are used to kill cancer cells and also harmful bacteria in food and surgical instruments?

(A) X-rays	(B) UV - radiation
(C) Infrared radiation	(D) Gama rays

Question-5
Sound waves with frequencies above 20 kH_z are called

(A) Infrasonic waves	(B) Ultrasonic waves
(C) Radio waves	(D) Microwaves

Question-6
Light of one colour and so of one wavelength is called

(A) Infrared radiation	(B) Ultraviolet radiation
(C) Monochromatic light	(D) X-rays

Question-7
If the earthquake occur under the sea, the seismic energy can be transmitted to the water and produce

(A) Ultrasonic echo	(B) Ultra violet radiation
(C) Seismic waves	(D) Tsunami

Question-8
In the electromagnetic spectrum which waves have the longest wave length?

(A) Microwaves	(B) Light wave
(C) Radio waves	(D) X -rays

Question-9
All types of electromagnetic radiations travel through vacuum at

(A) 3 × 10⁸ m/s	(B) 3 × 10⁸ km/s
(C) 3 × 10^-8 m/s	(D) 3 × 10^-8 km/s

Question-10
The pitch of a note depends on

(A) The frequency of the sound	(B) The wavelength of the sound
(C) Speed of a sound	(D) All the above

Click here to see your answersheet and detailed track records.

Cambridge Secondary Grade 10

IGCSE

Practice in Related Chapters
Light and Sight
Waves and Sounds
Matter and Measurements
Force and Resources
Motion and Energy
Heat and Energy
Electricity
Electromagnetic Effects
Electrons and Atoms