CBSE Class 10

The mass of moon is about 0.012 times that of the earth and its diameter is about 0.25 times that of earth. The value of G on the moon will be:

A stone is released from the top of a tower of height 19.6 m. Then its final velocity just before touching the ground will be:

When a piece of cork is put into the water it starts floating on the surface of water due to the upward buoyant force from water.

If the cork is pushed more inside the water by applying the force than the buoyant force:

Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be:

A boy is whirling a stone tied with a string in a horizontal circular path as shown in the following figure:

If the string breaks the stone:

Following table represents the mass and volume data of the three liquids named A, B, C and D. Can you find which two liquids are identical?

A ball weighing 4 kg of density 4000 kgm-3 is completely immersed in water of density103 kgm-3. What will be the buoyant force acting on it?

An object is put in three liquids having different densities, one by one. The object floats with 1/9, 2/11 and 3/7 parts of its volume outside the surface of liquids of densities d1, d2 and d3 respectively. Which of the following is the correct order of the densities of three liquids?

The school bags are generally provided with the broad strips because:

An object weighs 10 N in air. When immersed fully in water, it weighs only 8 N. The weight of the liquid displaced by the object will be

The region between chord and either of the arc is called

The region between an arc and the two radii joining the centre of the end points of the arc is called as:

A chord of a circle which is twice as long as its radius is a ………. of the circle

Equal…….. of the congruent circles subtend equal angles at the centers.

The center of the circle lies in______ of the circle.

The longest chord of the circle is:

Equal _____ of the congruent circles subtend equal angles at the centers.

If chords AB and CD of congruent circles subtend equal angles at their centres, then:

If there are two separate circles drawn apart from each other, then the maximum number of common points they have:

The angle subtended by the diameter of a semi-circle is:

If the displacement of an object is proportional to square of time, then the object moves with:

Suppose a boy is enjoying a ride on a marry-go-round which is moving with a constant speed of 10 m/s. It implies that the boy is:

The numerical ratio of displacement to distance for a moving object is:

Which of the following is most likely not a case of uniform circular motion?

Which of the following statement is correct regarding velocity and speed of a moving body?

A particle is moving in a circular path of radius r.

The displacement after half a circle would be:

Slope of a velocity-time graph gives

Velocity-time graph of an object is given below. The object has

Which of the following situations is possible?

Which of the following graphs is not possible?

From the given v-t graph, it can be inferred that the object is

Which of the following can sometimes be ‘zero’ for a moving body?
i. Average velocity
ii. Distance travelled
iii. Average speed
iv. Displacement

A car of mass $1000 \mathrm{~kg}$ is moving with a velocity of $10 \mathrm{~m} / \mathrm{s}$. If the velocity-time graph for this car is a horizontal line parallel to the time axis, then the velocity of the car at the end of $25 \mathrm{~s}$ will be:

When $a \ne 0$, there are two solutions to \(ax^2 + bx + c = 0\) and they are
$$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$

On which date is JEE Advanced scheduled to happen ?

JEE Advanced 2020 exam would be conducted for admission to how may IITs ?

Who organised the JEE advanced for 2019 ?

The mass of moon is about 0.012 times that of the earth and its diameter is about 0.25 times that of earth. The value of G on the moon will be:

A stone is released from the top of a tower of height 19.6 m. Then its final velocity just before touching the ground will be:

When a piece of cork is put into the water it starts floating on the surface of water due to the upward buoyant force from water.

If the cork is pushed more inside the water by applying the force than the buoyant force:

Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be:

A boy is whirling a stone tied with a string in a horizontal circular path as shown in the following figure:

If the string breaks the stone:

Following table represents the mass and volume data of the three liquids named A, B, C and D. Can you find which two liquids are identical?

A ball weighing 4 kg of density 4000 kgm-3 is completely immersed in water of density103 kgm-3. What will be the buoyant force acting on it?

An object is put in three liquids having different densities, one by one. The object floats with 1/9, 2/11 and 3/7 parts of its volume outside the surface of liquids of densities d1, d2 and d3 respectively. Which of the following is the correct order of the densities of three liquids?

The school bags are generally provided with the broad strips because:

An object weighs 10 N in air. When immersed fully in water, it weighs only 8 N. The weight of the liquid displaced by the object will be

From the choices given below mark the co-prime numbers

The three rational numbers between 3 and 4 are:

Which of the following is an irrational number?

The square root of which number is rational

\(
(-7+4 \sqrt{7}-3 \sqrt{7}) \text { is }
\)

\(
(16)^{3 / 4} \text { is equal to }
\)

\(
\sqrt{6} \mathbf{x} \sqrt{27} \text { is equal to: }
\)

Which of the following are irrational numbers?

\(
4 \sqrt{5}+5 \sqrt{5} \text { is equal to: }
\)

\(
\text { If } \sqrt{3}=1.732, \text { then } \sqrt{\frac{\sqrt{3}-1}{\sqrt{3}+1}} \text { is equal to: }
\)

In between two rational number there is/are:

The product of a rational and an irrational numbers is:

The decimal expansion of an irrational number may be:

\(
\text { Can we write } 0 \text { in the form of } \mathbf{p} / \mathbf{q} \text { ? }
\)

Every rational number is:

\(
\sqrt{9} \text { is a number. }
\)

\(
\text { What would be the denominator after rationalizing } 7 /(5 \sqrt{3}-5 \sqrt{2}) \text { ? }
\)

\(
\text { The value of } \sqrt[4]{(16)^{-2}} \text { is: }
\)

Which of the following is irrational?

\(
\sqrt{12} X \sqrt{15} \text { is equal to: }
\)

Which of the following can be made into crystal?

A cell will swell up if

Chromosomes are made up of

“Which of these options are not a function of ribosomes?
(i) It helps in manufacture of protein molecules.
(ii) It helps in manufacture of enzymes.
(iii) It helps in manufacture of hormones.
(iv) It helps in manufacture of starch molecules.”

Which of these is not related to endoplasmic reticulum?

Plasmolysis in a plant cell is defined as

Find out the false sentence.

Find out the correct sentence

Which cell organelle plays a crucial role in detoxifring many poisons and drugs in a cell?

The cell organelle involved in forming complex sugars from simple sugars are

Who discovered the cell?

The cell wall of a plant cell is made up of:

Which of the following controls all biological activities of a cell?

Which of the following is known as the ‘Power House’ of a cell?

Digestive Enzymes are found in:

Which is the longest cell of the human body?

Which of the following cell organelles functions both as an intracellular transport system and as a manufacturing surface?

Which of the following cell organelles help in the storage, modification, and packaging of substances manufactured in the cell?

Who discovered the nucleus in the cell?

Which of the following are covered by a single membrane?

Choose the option that best describes the characteristics of the kingdom to which the mushroom belongs:

Find out incorrect sentence:

“Which among the following has specialised tissue for conduction of water?
(i) Thallophyta
(ii) Bryophyta
(iii) Pteridophyta”

Which among the following is exclusively marine?

“Which among the following have open circulatory system?
(i) Arthropoda
(ii) Mollusca
(iii) Annelida
(iv) Coelenterata”

In which group of animals, coelom is filled with blood?

Elephantiasis is caused by

Which one is the most striking or (common) character of the vertebrates?

“Which among the following have scales?
(i) Amphibians
(ii) Pisces
(iii) Reptiles
(iv) Mammals”

Pteridophyta do not have