In modern clocks, which of the following oscillates with the help of batteries?
Magnesium crystal
Quartz crystal
Silver crystal
Titanium crystal
Quartz crystal is a crystal of:
Silicon dioxide
Silicon trioxide
Silicon monoxide
Mercuric oxide
The device which is used indicate speed in vehicles.
Speedometer
Odometer
Speedograph
Odograph
The SI unit of time.
Milli second
Minute
Hour
Second
Which is the fastest bird on earth?
Vulture
Peregrine falcon
Humming bird
None of the above
How many minutes are there in a day?
1440
8640
600
1200
What time taken between two consecutive sun rises?
One day
One week
One month
One year
Expand GMT
Greenwich Mean Time
Greenwich Main Time
Green Mean Time
Galileo Mean Time
One year =
364 days
365 days
366 days
365.5 days
Which graph is more suitable to calculate the speed of a body?
Line graph
Bar graph
Pie graph
All of the above
