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NCERT Exemplar Solutions Class 7 Science Solutions for Winds, Storms and Cyclones - Exercise in Chapter 8 - Winds, Storms and Cyclones
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A flag mounted on a flag post near the sea coast flutters in the direction of the sea. At what time of the day does this happen – at midnight or in the afternoon?
Answer:
Midnight, because of land breeze.
Video transcript
"my name is shusher and welcome back to
another homework session of lido
let's take a look at today's question
give a reason to show that none of the
numbers given below is a perfect square
and the number that we have is 64 000
all right so we know there is a property
of
perfect squares that we know let's write
down the property
we know
any number any number
ending with any number
ending with odd number of zeros
or number of zeros
cannot be a perfect square
so any number which ends with odd number
of zeros cannot be perfect square
let's check how many zeros do we have in
sixty four thousand
we have three zeros right we have
three zeros and it is an odd number
right three is an odd number
therefore sixty four thousand it's not a
is not a
perfect
square all right
so that's it for this question if you
have a doubt you can drop a comment
and don't forget to like and subscribe
to this channel for regular updates
thank you i'll see you next time"
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