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The primary reason why the colour red is used for danger signals is that red light is scattered the least by air molecules. The effect of scattering is inversely related to the fourth power of the wavelength of a colour. Therefore blue which has the least wavelength of all the visibleradiations is scattered the most and red which has the highest wavelength of all the colours we can see is scattered the least.
The names of 16 students from section A, 18 students from section B and 20 students from section C were selected. The age of all the 54 students was dif...
Traits can be influenced by:
What is the difference between “vote-on-account” and “interim budget”?
1. The provision of a “vote-on-account” is used by a regular G...
The value of
‘Red-Rust’ disease of tea is a/an :
Which of the following statements are correct?
I. Atal Pension scheme was launched on 9th May, 2015.
<...In a coded language 'PROBLEM' is written as 'MPERLOB'. In the same coded language how will you write 'NUMBERS' ?
The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as –
How many times does the digit 3 appear between 1 and 100 such that the number where 3 appears is not divisible by 3?
Consider the following statements:
I. The Ikshvaku rulers of southern India were antagonistic towards Buddhism.
II. The Pala rulers of e...