Gen Science Sample Paper Class 8th Entrance Exam CADET COLLEGE SPINKAI

Gen Science Sample Paper Class 8th Entrance Exam CADET COLLEGE SPINKAI

TOTAL MARKS: 20 | Time: 45 Min
SECTION ( A ) (15*1=15)

Q# 1(a): Fill the blanks: (Marks 1*5=5)

1. When light enters from denser to rare medium, it bends _ normal.
2. The ratio of the speed of light in air to its speed in a medium is called _.
3. The mixing of _ and _ colours gives white colour.
4. The three primary color of light are _, ___ and __.
5. The unit of frequency is __.
   Q# 1(b): Select appropriate option: (Marks 0.5*10=05)
6. Which component of the air is used in fire :
   A. oxygen B. nitrogen C. None D. florin
7. What is the % of Nitrogen in the air?
   A. 30% B. 78% C. 60% D. 90%
8. Polythene is a:
   A. Monomer B. Polymer C. Element D. Fertilizer
9. The refraction occurs due to the difference of _____of light in two different media. A. Frequency B. Time period C. Speed D. none of these
10. When light ray incident normally at the surface of water _________.
    A. Bends towards normal B. bends away from the normal C. Pass straight D. Bounce back
11. The refractive index of water is __.
    A.1.7 B. 1.33 C. 1.46 D. 1.3
12. Any two colors whose combination gives rise to __ light are called
    complementary colors.
    A. Violet B. Red C. Blue D. White
13. The speed of sound in dry air at is _______
    A.332 B. 342 C. 352 D. 322
14. A light year is the unit of __.____
    A. Time B. Distance C. Speed D. None of these
15. In the sun and stars, hydrogen atoms are continuously fusing into _ nuclei.
    A. Another Hydrogen B. Helium C. Uranium D. Carbons

SECTION ( B ) (5*2=10)

Q. 2: Attempt all questions.
a. What is SMOG, and how does it occur?
b. What is adaptation?
c. What are the maximum and minimum thermometers?
d. Define Wavelength, Amplitude, Period and frequency of wave.
e. What is Acid Rain? What are its harmful effects

Sample Paper English Entry Test 8th Class

Sample Paper Gen Science 8th Class Entry Test