Questions based on paragraph :
One way of classifying stars is on the basis of their temperature . In the order of decreasing temperature , stars are divided into seven main types viz , O ,B,A,F,G,K and M . :
Which star type would our sun belong ?:

Questions based on paragraph : One way of classifying stars is on the basis of their temperature . In the order of decreasing temperature , stars are divided into seven main types viz , O ,B,A,F,G,K and M . : Arrange stars types in the increasing order of temperatures at the centre of stars .:

Questions based on paragraph : One way of classifying stars is on the basis of their temperature . In the order of decreasing temperature , stars are divided into seven main types viz , O ,B,A,F,G,K and M . : What do you think will be a likely unit of average luminosity ? why ? :

Questions based on paragraph : One way of classifying stars is on the basis of their temperature . In the order of decreasing temperature , stars are divided into seven main types viz , O ,B,A,F,G,K and M . : Do you think , there is a possible dependence of brightness of star on its surface temperature ?:

Paragraph-based questions Read the paragraph and answer the questions given below: Disasters can be properly classified into three categories. viz. natural disasters, technological disasters and man-made disasters. The forces that cause natural disasters cannot be controlled. Moreover, they are becoming more frequent in the current years due to phenomena of climate change. On and off incidences of cyclones, cloud bursting, floods, etc. are creating havoc in the lives of people. Technological disasters are due to improper and callous behaviour at the different processes carried out in technical establishments. Man-made disasters are conflicts arising due to different religions, regions and terrorism. Which types of disasters can be controlled in order to lead happpy, peaceful and secured life? How?