Question

5. Which type of angle is formed between two adjacent fingers, other than
the thumb, of an expanded hand?
(1) Acute angle (2) Right angle
(4) Either acute angle or obtuse angle​

Answer 1

mirrörs 1s used

Name the following:

1. Fusion of male and female gametes is called

2. Removal of foetus from the womb using surgical method professional is called

3. Force per unit area is called

4. The process of purifying a metal using electrolysis is calle

5. The ray of light approaching or falling on a mirror is calle

Match the following

1. Fluids

2. Tympanum

3. Anode

4. Cathode

5. Shrillness

Q5.

Q6.

Pitch

Negative electrode

liquid and gas

ear drum

positive electrode

SECTION-B

b)

d)

Q7.

Define the following

a)

Ovulation

c) Electrolysis

e) Rectilinear propagation of light

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Answer 2

Answer:

Acute angle

the acute angle is formed between the two adjacent fingers