Question

select the correct option. 1. When an object falls freely to the ground it's acceleration is........... a) Non-uniform b) uniform c) equal to velocity d) none of the above. 2. In an electric circuit a key is used to........ a)apply potential difference b) measure current c)stop and start the flow of current d) control the flow of current. 3. Protons and neutrons are together called..........in na atoms. a) nucleons b) sub atomic particles c) charged particles d) all of the above. 4. ................ gas is released when acids reacts with metals. a) hydrogen b) oxygen c) chlorine d) fluorine.​

Answer 1

Answer:

Explanation:

Q1

Q2 (c)

Q4 (a)

Q3

Answer 2

1 st option = b= uniform

2nd one = d = stop &start the flow of current

3rd one = a = nucleons

4 th one = a = hydrogen

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