Question

Hola brainlians Help me ..PHYSICS NEWTONS

$\large\green{Question-1}$

Two spheres of same radius are made from same material one is hollow and other is solid If they heated from 20°C to 100°C then


A) Both will expand equally
B) Hollow sphere expand more
C) Solid sphere expand more
D) Depends on material

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$\large\pink{Question-2}$

Due to thermal expansion with rise in temperature Correct statements among the following

A) Mettalic scale reading becomes lesser than true value
B ) Pendulum go fast
C) A floating body sinks more
D) The weight of body in liquid increase

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Both answers needed with explanation ..No spamming​

Answer 1

Explanation:

1st answer is both will expand equally.

the reason is that the amount of expansion doesn't depend on hollow or solid it only depends on

*rise of temperature

*nature of the material of the object

* initial length of the object .

2nd Answer

Answer 2

Answer:

hii can u please help me in math if you want to delete my ans u can but please help

The figure shows a parallelogram ABCD. The bisectors of angles A,B,C,D enclose a quadrilateral PQRS. Using the exterior ...

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