Three objects coloured black, gray and white can withstand hostile conditions upto `2800^(@)C`. These objects are thrown into a furance where each of them attains a temperature of `2000^(@)C`. Which object will glow brightest?

Three objects coloured black, grey and white can withstand hostile conditions upto 2800^(0)C . These objects are thrown into a furnace where each of them attains a temperature of 2000^(0)C . Which object will glow the brightest ?

There obujects coloured black, gray and white can withstand hostile condition upto 2800^(@)C These object are throw into a farance where each of them attanit a temperature of 2800^(@)C Which object will glow brightess?

Three bodies of black, gray and white colour are able to sustain upto 2800^(@)C temperature. If these are kept in a frame then temperature of each becomes 2000^(@)C , then which body will be unlighted maximum ?

Three objects sphere , a cube and a circular plate of equal mass are constructed from same material . All of the three objects are initially heated to a temperature of 150^@C and then left to cool at room temperature. Will they all cool down at the same ? If not, which of them will cool faster and why ?

If n objects are arrange in a row, then the number of ways of selecting three of these objects so that no two of them are next to each other is a. "^(n-2)C_3 b. "^(n-3)C_2 c. "^(n-3)C_3 d. none of these

If n objects are arrange in a row, then the number of ways of selecting three of these objects so that no two of them are next to each other is a. "^(n-2)C_3 b. "^(n-3)C_2 c. "^(n-3)C_3 d. none of these

If n objects are arrange in a row, then the number of ways of selecting three of these objects so that no two of them are next to each other is a. ^n-2C_3 b. ^n-3C_2 c. ^n-3C_3 d. none of these

If n objects are arrange in a row, then the number of ways of selecting three of these objects so that no two of them are next to each other is a. "^(n-2)C_3 b. "^(n-3)C_2 c. "^(n-3)C_3 d. none of these