Question

Tick (✓the correct options.
1. Which measuring device was not used in ancient time?
(a) Quartz watch (b) Water clock
(c) Sand clock (d) sundial
2. An instrument which shows the distance travelled by a vehicle is called
(a) galvanometer (b) speedometer (c) barometer (d) odometer
3. The SI unit of speed is
(a) km/s
(b) m/s
(c) m/h
(d) km/h
4. One decade is equal to
(a) 10 years
(b) 1 year
(c) 1000 years
(d) 100years
5. Distance travelled by a body in unit time is called
(a) distance
(b) displacement (c) speed
(d) none of these​

Answer 1

Answer:

Odometer shows the distance travelled by a vehicle

Answer 2

$\huge\underline\mathfrak\color{red}Answer$

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$\sf\underline{Ans.1:-\:}$ : $\sf\orange{Quartz\:clock\: was\: not\: used\: in\: ancient\:time\:}$

$\sf\underline{Ans.2:-\:}$ : $\sf\blue{Odometer\: is\: device\: which\: shows\: distance\:travelled\:by\: a\: vehicle\:}$

$\sf\underline{Ans.3:-\:}$ : $\sf\purple{m/s\: is\: the\: SI\: unit\: of\: speed\:}$

$\sf\underline{Ans.4:-\:}$ : $\sf\red{100\: years\:}$

$\sf\underline{Ans.5:-\:}$ : $\sf\green{None\: of\: these\:}$

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$\fbox\pink{Hope\: This\: Will\: be\: helpful\: to\: you\:}$

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