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Question 2 (viii)
Write the coordinates of the point M.

IEA is the short form of :

(a) Indian Energy Association

(b) Indian Eco Academy

(c) International Energy Agency

(d) International Eco Academy.

The equivalent resistance in the infinite ladder network shown in the figure, is $R_e$.

$Thevalue{R}_e/Ris$

1. 2.62

An object exerts a force F on a surface of surface area A. The pressure P acting on the surface is given by

Match the following quantities with their corresponding representations of units.

Use the following information to answer the next question.

Three statements about scalars and vectors:

I. Vectors having different units cannot be multiplied with each other.

II. Two vectors are considered to be equal if they are of equal magnitude and have the same direction.

III. The multiplication of a scalar with a vector can give a scalar quantity.

Among the given statements,

The current supplied by the battery in the circuit shown in figure is

A moving body weighing $600N$ possesses $750J$ of kinetic energy. Calculate the velocity of the moving body? (Take acceleration due to gravity $g=10m{s}^{-2}$)

when you slap some one, thinking physics wise, you should not feel sorry. can you think

why?

The capacity of wind mill farm situated in Kanyakumari is

In which direction does the buoyant force on an object due to a liquid act ?

A body of weight W is floating in a liquid. Its apparent weight will be :
(a) equal to W

(b) less than W
(c) greater than W

(d) zero.

Upon which of the following effects are the electromagnets based?

Instrument used for listening sounds produced within the body is called

In an ideal transformer, number of turns in the primary coil are $140$ and those in the secondary coil are $280$. If current in the primary coil is $4\text{A}$, then that in the secondary coil is -

If a fresh egg is put into a beaker filled with water,it sinks.On dissolving a lot of salt in the water,the egg begins to rise and then floats.Why ?

Usha swims in a 90 m long pool. She covers 180 m in one minute by swimming from one end to the other and back along the same straight path. Find the average speed and average velocity of Usha.

Why displacement is taken 0 here?

Question 2

A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?

An object of mass 1 kg was moving at a speed of $10{ms}^{-1}$. Constant force acts for 4s on the object and the speed of object was $2{ms}^{-1}$​ in the opposite direction after the applied force was removed. The force acting on the object was

What is the cause of upthrust? At which point it can be considered to act?

Which mirror is used as the rear-view mirror in vehicles? [1 MARK]

What amount of work done is needed in moving 2 C charge through a potential difference of 8 V?

Two planets of equal masses orbit a massive star. Planet $m_1$ moves in a circular orbit of radius $1\times {10}^8\text{km}$ with a period of $2\text{years}$ and planet $m_2$ moves in an elliptical orbit with closest distance $r_1=1\times {10}^8\text{km}$ and farthest distance $r_2=1.8\times {10}^8\text{km}$, as shown:





Using the fact that the mean radius of an elliptical orbit is the length of the semi-major axis, find the period of $m_2$'s orbit.

Water enters a house through a pipe $2\text{cm}$ inside diameter at an absolute pressure $4\times {10}^5\text{Pa}$ (about $4$ atmospheres). The pipe leading to second floor bathroom $5\text{m}$ above is $1\text{cm}$ in diameter. The flow velocity at the inlet pipe is $4\text{m/s}$. The pressure in the bathroom.

All laws of motion clearly explained

A body is dropped from a certain height at time $T=0$. It undergoes freefall and reaches the ground at time $T=t$ s. What is the expression for the height $h$ from which the body started its free fall?

Acceleration due to gravity is $g$.