Question

Choose the correct option:

Q1. Which of the following relations is correct?

(a) Speed = Distance X Time (b) Speed = Distance / Time (c) Speed = Time/Distance

(d) Speed= 1/Distance X Time

Q2. A bus moves with a speed of 80km/h for 15 minutes and then with a speed of 60km/h for

the next 15 minutes. The total distance covered by the car is ………….

(a)100km (b)50km (c) 35km(d)70km

Q3. The time taken by a pendulum of given length to complete one oscillation is ( )

(a)Different at different times (b) Same at all times (c) Increases at different times (d)

Decreases at different times.

Q4. The S.I. unit of mass is …………………

(a) gram (b)kilogram (c)milligram (d) decigram

Q5. I f the body travels same distance in same time , the motion is said to be ………..

(a)Uniform (b) Time Period (c) Non- Uniform (d)None of these

Q6. The movement of pendulum is ………………..motion

(a) Rectilinear (b) Oscillatory (c) Linear (d) None of these

Q7. Light is a form of ……………

(a) Power (b)Energy (c)Force (d)None of these

Q8. Splitting of white light into seven colours is called………..

(a)Reflection of light (b) Rectilinear propagation of light (c) Lateral Inversion (d)Dispersion

Q9. Which of the following appliances does not use an electromagnet?

(a)Washing machine (b) Refrigerator (c) Electric Heater (d)Electric Bell

Q10. The liquid metal used in a thermometer is …………..

(a) Mercury (b) Silver (c)Gold (d)​

Answer 1

Q1.Speed=Distance/Time

Q2.35km

Q3.Different at different times

Q4.Kilogram

Q5.Uniform Motion

Q6.Oscillatroy

Q7.Energy

Q8.Dispersion

Q9.Washing Machine

Q10.Mercury

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Answer 2

Explanation:

ANSWER

Q1.Speed=Distance/Time

Q2.35km

Q3.Different at different times

Q4.Kilogram

Q5.Uniform Motion

Q6.Oscillatroy

Q7.Energy

Q8.Dispersion

Q9.Washing Machine

Q10.Mercury

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