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Concave mirrors have a reflective surface that curves inward, resembling a portion of the inner surface of a sphere. This design allows them to converge light rays to a single focal point. Due to this property, concave mirrors are extensively used in applications requiring light concentration, such as solar furnaces, where they focus sunlight to produce intense heat. These mirrors are also prevalent in everyday devices like torches, vehicle headlights, and shaving mirrors.
Which of the following is different from others?
The position of how many letters will remain unchanged if each of the letter in the word 'POCKET' is arranged in alphabetical order?
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
C_EF HNE_ _NEP RN_U WNE_
Choose the next number in the series.
69, 81, 105, 141, 189,?
In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. In three of the four pairs...
Select the set of numbers from the given options, which is similar to the given set.
(17, 39, 11)
In a certain language code AMOUNG is written as DMLUQG. How will SETTLE be written in that language?
A man said to a woman, "Your husband's daughter is the daughter of my brother". How is the man related to the woman's daughter?
Select the correct mirror image of the given figure when the mirror MN is placed to the right side of the figure.
What should come in place of ? in the given series?
51 53 57 59 ? 65 69
