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Start learning 50% faster. Sign in nowA bolometer is a device for measuring the power of incident electromagnetic radiation via the heating of a material with a temperature-dependent electrical resistance. IL was invented in 1878 by the American astronomer Samuel Pierpont Langley. A bolometer consists of an absorptive element, such as a thin layer of metal, connected to a thermal reservoir (a body of constant temperature) through a thermal link.
`(sqrt(1296)xx42)/(120+200)` = ?
7(3/6) of 534 + 262 = 61800 - ?
540240 ÷ 24 ÷ 25 =?
The income of a person is Rs.15000 and his expenditure is Rs.12000. In the next year his income and expenditure is increased by 8% and 13% respectively....
7.4 × 8.2 + 3.5 × 4.5 = ? + 11.5 × 2.5
√(?) ² = √7396 - √6889
? (1/2) = 236 – 25 × 18/2 + 396 ÷ 22
56 × 18 + ? × 21 – 49 × 12 = 63 × 26