Question
With reference to the types of electromagnetic waves,
consider the following statements: (I) Radio waves have the highest wavelength range among Microwave, Infra-red, and Light waves. (II) Gamma rays have the lowest wavelength range as compared to X-rays and UV rays. Which of the above is/are correct?Solution
Radio waves have the highest wavelength range among Microwave, Infra-red, and Light waves. Gamma rays have the lowest wavelength range as compared to X-rays and UV rays.
The sum of the exponents of the prime factors in the prime factorization of 225 is
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Out of four numbers the average of the first three is 16 and that of the last three is 15. If the last number is 20 then the first number is
Find the third proportion of 24 and 12.
- A two-digit number has digits summing up to 10. On subtracting 36 from the number, the digits get interchanged. What is the original number?
