At night, why are trees visible near a streetlight but not far away? A Trees emit light B Light reaches
Continue readingCategory: 4. Patwari (HP), JBT (HP)
Chapter 19: Light – Basics, Shadows and Reflection (Set-1)
Which statement best explains why you can read this page in daylight? A Paper is luminous B Eyes make light
Continue readingChapter 18: Heat and Temperature (Set-5)
Two objects at 50°C are touched; one feels colder. The colder-feeling one most likely has A Higher temperature B Lower
Continue readingChapter 18: Heat and Temperature (Set-4)
Two cups contain equal mass of water, one at 40°C and other at 20°C; heat will flow A No heat
Continue readingChapter 18: Heat and Temperature (Set-3)
A large steel block and a small steel block are at the same temperature; the larger block contains A Less
Continue readingChapter 18: Heat and Temperature (Set-2)
Two objects kept in contact stop exchanging heat when they have A Same mass B Same temperature C Same colour
Continue readingChapter 18: Heat and Temperature (Set-1)
Which statement best describes heat? A Type of matter B Unit of mass C Kind of force D Form of
Continue readingChapter 17: Gravitation, Work and Energy (Set-5)
The gravitational force between two bodies becomes stronger when their A Color changes B Shape changes C Temperature rises D
Continue readingChapter 17: Gravitation, Work and Energy (Set-4)
Two bodies attract each other with equal force because gravitational force on each is A Equal in size B Different
Continue readingChapter 17: Gravitation, Work and Energy (Set-3)
When you squeeze a sponge gently, the force mainly causes a change in A Colour only B Smell only C
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