D:-George Woodcock
Correct Answer:- Option-B
Question19:-The athlete who enter into the 400 meters final in the Commonwealth Games after Milkha Singh in 1958
A:-Renjith Maheswari
B:-K.T. Irfan
C:-Deen Dayal Pandey
D:-Mohammed Anas Yahiya
Correct Answer:- Option-D
Question20:-Karattu Govinda Menon was popularly known as
A:-Chinmayananda Swami
B:-Vagbhadanandan
C:-Ananda Theerthan
D:-Brahmananda Sivayogi
Correct Answer:- Option-D
Question21:-In optical fibre cables the transmission of light is by the process of
A:-Polarisation
B:-Total internal reflection
C:-Diffraction
D:-Refraction
Correct Answer:- Option-B
Question22:-Who invented thermometer ?
A:-Galilio Galili
B:-Albert Einstein
2-661/1.
D:-James Watt
Correct Answer:- Option-A

Question23:-Before the main shock of earthquake animals appear to be irritated. This is due to a special type of sound
waves produced at that time. Such waves are

A:-Ultrasonic waves
B:-Audible sound waves
C:-Infrasonic waves
D:-None of the above
Correct Answer:- Option-C
Question24:-Which is the strongest force in nature ?
A:-Magnetic force
-Electric force
C:-Nuclear force
D:-Gravitational force
Correct Answer:- Option-C
Question25:-Which one of the following electronic component is the essential part of a voltage regulator ?
A:-Zener diode
B:-LED
C:-LCD
D:-Transistor
Correct Answer:- Option-A
Question26:-Find the odd one out.
A:-Force
B:-Mass
C:-Time
D:-Temperature
Correct Answer:- Option-A
Question27:-The electromagnetic radiations emitted from mobile phones are
A:-X-ray
:-Radio frequency wave
C:-‘gamma’-ray
D:-None of the above
Correct Answer:- Option-B
Question28:-If raw egg among with a shell is placed in a microwave oven which among the following is most likely happen ?
A:-The egg shell changes in colour