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The approximate distance of moon from the earth is 384,467,000 m. In exponential form this distance can be written as ______________.

How does the broad feet of a camel prevents it from sinking in sand?

What happens if the north poles of two magnets are brought in contact?

Calculate the pressure developed by a force of 50N acting on an area of ${10m}^2$.

In which part of the sky you can find Venus if it is visible as an evening 🌟 star?

A stone is dropped in a well of depth 500 m and a sound is heard after 45/4 seconds. Then the speed of sound is (if g = 10 m/s2)

Wet clothes dry more quickly on warm day than on a cold day, humid day. Explain

To maximize torque on a lever, which of the following will not help?

Q16. Consider the following statements with respect to Gross Domestic Product (GDP):

1. Asteroids are mostly rocky with no metals inside them.

2. Asteroids represent the building blocks of planets and moons, and studying them helps us learn about the early solar system.

Select the correct answer using the code given below.

Why does a plastic comb rubbed with dry hair attract tiny pieces of paper ?Please provide diagram or animation

What is an electroscope? Name the two types of electroscopes.

___________ is the largest cell organ of the body

Which of the following option is correct?

State one way in which the planets can be distinguished from the stars in the night sky.

Question 11 (iii)

State whether the following statements are True/False.
Tremors on the earth can also be caused by the eruption of a volcano.

What is common in the working of the devices such as a drinking straw, a syringe, a dropper and a rubber sucker?

Name any two machines in which ball bearings are used.

Which is most visible color and which is the least visible color(not invisible)?

What is the use of nucleus in the atom rather than the proton?

A student makes a device P by using three long and narrow strips of plane mirrors inclined at ${60}^{\circ }$ to one another which enables him to see beautiful pattern made by pieces of coloured glass bangles. On the other hand, another student makes a device Q by using two plane mirrors arranged parallel to each other which helps him to see a football match clearly even when some very tall persons are sitting in front of him in the ground. What are P and Q?

Is a force required to keep a body moving??

Which among the following is an optative sentence?

The shape of the top of a table in a restaurant is that of a segment of a circle with centre O and /BOD= 90^o BO = OD = 60 cm. Find

The potential energy of a particle with displacement X is U(X). The motion is simple harmonic, when (K is a positive constant)

Which of the following materials can be best used to make a lightning conductor?

Which metal is electroplated on iron for making 'cans' used for storing food?

Dentists use a ___ mirror to focus light on the tooth of a patient.

While inflating a balloon, the entire air that was blown into the balloon escapes from when its mouth is left open. This is because:

What is real, virtual,effect image?

What do we mean by 'streamlined shape'? How does it help in the motion of vehicles?

Will a spectrum be formed if a Ray of monochromatic light falls on a prism ? Explain

What are precautions that should be taken during the earthquake?

A car of mass $1000kg$ is moving at a speed of $20m{s}^{-1}$. It is brought to rest at a distance of $50m$. Calculate the net force acting on the car.

Given the area of a circle is $36c{m}^2$. The area of the rectangle is $\frac{1}{6}$^th of the area of the circle. If the breadth of the rectangle is $10mm$, what is the length?

A man lifts a mass of 20 kg to a height of 2.5m Assuming that the force of gravity on 1 kg mass is 10N, find the work done by the man.

We take a one-metre rod and mark $4$ points on it such that each segment is of equal length.

If we take OA to be X units, then X units are equal to:

A force of $5N$ is applied over a surface area of $5m^2$. Calculate the pressure applied on the surface.

How electricity passes through human body ?

Statement 1 – Electric flux is the flow rate of electric field through a surface.

Statement 2: Electric field due to charges at rest is a time-varying field