Which one of the following is the mode of heat transfer in which warm material is transported so as to displace a cooler material?
If a heater coil is cut into two equal parts and only one part is used in the heater, the heat generated will be:
The best and the poorest conductors of heat are respectively
The best and the poorest conductors of heat are respectively Read More »
In a pressure cooker cooking is faster because the increase in vapour pressure
In a pressure cooker cooking is faster because the increase in vapour pressure Read More »
Thermometer A and B have ice points marked at 15° and 25° and steam points at 75° and 125° respectively. When thermometer A measures the temperature of a bath as 60° the reading of B for the same bath is
New Zealand pacer Hamish Bennett has announced his retirement from all forms of cricket ending his 17-year old career. The 35-year-old Bennett has made 31 appearances for New Zealand across all three formats and took 43 wickets and most recently he featured in the T20Is versus Bangladesh last September. He was also selected in the
New Zealand Pace Bowler Hamish Bennett announces retirement from all forms of cricket Read More »
Which one among the following waves are called waves of heat energy?
Which one among the following waves are called waves of heat energy? Read More »
A glass of water does not turn into ice as it reaches 0° C. It is because water does not solidify at 0° C
Extreme poverty has gone down by 12.3 percentage points between 2011-2019, a rate significantly lower than that of the 2004-2011 period. Poverty headcount rate dropped from 22.5 per cent in 2011 to 10.2 per cent in 2019 with more pronounced deductions in rural areas compared to urban areas, according to a recent World Bank working
World Bank Report States Extreme Poverty in India Decline by 12.3% between 2011-2019 Read More »
A hot object loses heat to its surroundings in the form of heat radiation. The rate of loss of heat depends on the
