World Knowledge Online Quiz

World Knowledge Online Test

Sr. #	Questions	Answers Choice
1	The cyclotron is a device for	Purifying  metals <br> Accelerating particles<br> Seprating oil form water<br> Producing protons<br>
2	Solar eclipse occurs when	earth comes  between sun and moon moon is at right angle to the earth moon comes between sun and earth sun comes between moon and earth
3	The development of he ultra microscope makes use of the?	Edison effect<br> Tyndall effect<br> Brownian motion<br> Zeeman effect<br>
4	A bright patch seen near the edge of the sun is called a?	sunspot  facula filament flare
5	The ejection of electrons when a meta surface is irradiated is called :	Block body radiation  <br> Photoelectric effect <br> Zeeman effect <br> Atomic spectrum<br>
6	A mottion effect on the sun is called?	plage sunspot  granulation filament
7	What is it called when the moon is directly between the earth and the sun?	jovian eclipes lunar eclipse solar eclipse  earth eclipse
8	The electron affinity for the inert gasses is	Zero <br> High Negative <br> Positive <br>
9	The element firs t detected spectroscopically in the Sun's atmosphere is	O<sub>2</sub> Ne H<sub>2</sub> He
10	The first metal to be used by man was	Aluminum <br> Copper<br> Silver<br> Iron<br>