State any three qualifications required for a candidate to be elected as the Vice-President of India.

A lens of focal length 20 cm forms an inverted image at a distance 60 cm from the lens.

1. Identify the lens.
2. How far is the lens present in front of the object?
3. Calculate the magnification of the image.

Mr. Bedi visits the market and buys the following articles:

• Medicines costing ₹ 950, GST @ 5%
• A pair of shoes costing ₹ 3000, GST @ 18%
• A Laptop bag costing ₹ 1000 with a discount of 30%, GST @ 18%.

i....

Calculate:

(i) The amount of each reactant required to produce 750 ml of carbon dioxide, when two volumes of carbon monoxide combine with one volume of oxygen to produce two volumes of carbon...

Draw the structural formula for each of the following:

1. 2, 3 - dimethyl butane
2. diethyl ether
3. propanoic acid

The kind of lens required to correct Myopia.

Use Graph paper for this question.

A survey regarding height (in cm) of 60 boys belonging to Class 10 of a school was conducted. The following data was recorded:

Taking 2 cm = height of 10 cm along...

The diagram above shows a circuit with the key k open.

Calculate:

1. the resistance of the circuit when the key k is open.
2. the current drawn from the cell when the key k is open.
3. the resistance of the circuit
...

Mention one way in which man is responsible for soil erosion.

Using properties of proportion, solve for x. Given that x is positive:

What impact does the waste accumulation have on the Quality of air around us.

"Karnataka has developed as an important state for the growth of the Silk industry." Give two reasons to justify the statement.

What happens to the level of water when this setup is placed in

1. Humid conditions?
2. Windy conditions?

Identify the substances underlined: The organic compound which when solidified, forms an ice like mass.

A muscular wall is absent in:

1. Capillary
2. Venule
3. Arteriole
4. Vein

A stone of mass ‘m’ is rotated in a circular path with a uniform speed by tying a strong string with the help of your hand.

Answer the following questions:

1. Is the stone moving with a uniform or
...