10th Physical science fa2 Question paper 2022 PDF|AP fa 2 question paper class 10 physical science
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F-21 FORMATIVE ASSESSMENT 2022, 23
FORMATIVE ASSESSMENT -II-2022-23
Class: 10 ]
PHYSICAL SCIENCE
(English Medium)
(Max. Marks : 20)
Name of the Student:
I. Choose the correct answer.
1. Which gas evolves, when metal carbonate or metal hydrogen
carbonate react with acids
A) Hydrogen
C) Nitrogen
2. Match the following
A) PH > 7
B) pH = 7
C) pH <7
p) Neutral solution
q) Basic solution
r) Acedic solution
5. Refractive index depends on
A) Nature of material
C) Only A
II. Fill in the blanks.
1sº, 2s², 2p
6.
7. S.I. unit of refractive index is
.8.
B) Oxygen
D) Carbondioxide
A) n
D) ms
B) I
C) m
4. The refractive index of glass respect to air is 2. Then the critical
angle of glass air interface is
A) 0⁰
B) 45°
A)A-q, B-, C-p
B) A-q, B-p, C-r
D) A-r, B-q, C-p
C) A-, B-p, C-q
Fa 2 Class 10 physical science exam Question paper 2022 PDF
3. The quantum number which explains about size and energy of the
orbit or shell is
[
1
C) 30°
9.
10. The shape of p-orbitals is
[ Time: 45 Mnts.
Fonthou h
Roll No:…..
rule is violated in the electronic configuration
2
D) 60°
used as a reagent in the preparation of chloroform.
5×1=5
[
B) Wavelength of light used
D) Both A and B
20
[ ]
[
D E
8
iii) Which solution are strong acids ?.
iv) Which solutions are weck Alkali?
is the basic principle behind working of optical fibre.
(Or)
Observe the table and answer the following questions.
Solution A B
2 13
i) Which solution is neutral ?
ii) Which solutions are strong Alkali?
[ ]
]
5×1=5
Physical Science (EM)
III. Answer the following questions.
11. Frame any two questions to know about the formation of mirages.
12. What is n/” method ? How it is useful?
13. Give two important uses of baking soda.
IV Answer the following question.
14. How do you verify experimentally that sin i/ sin r is a constant ?