List of practice Questions

What is the focal length of a lens if its power is +2 D?
A stone is dropped from a height of 45 m. What is the time taken for the stone to reach the ground?
A current of 2 A flows through a resistor for 10 minutes. What is the total charge that flows through the resistor?
A body of mass 10 kg is moving with a speed of 5 m/s. What is the momentum of the body?
The potential energy of a body at a height of 10 meters is 200 J. What is its mass? (Take \( g = 10 \, \text{m/s}^2 \))
What is the resistance of a conductor if the potential difference across it is 12 V and the current flowing through it is 3 A?
What is the molar mass of NaCl?
Which of the following is an example of a redox reaction?
What is the number of moles in 18 g of water (\( \text{H}_2\text{O} \))?
Which of the following gases has the highest density at STP?
Which of the following acids is a strong acid?
What is the pH of a solution with a \( \text{H}^+ \) concentration of \( 1 \times 10^{-3} \) mol/L?
What is the molar volume of an ideal gas at standard temperature and pressure (STP)?
Which of the following is a characteristic property of acids?
Find the value of \( x \) in the equation \( 2x + 3 = 7x - 8 \).
In a code language, 'TIGER' is written as 'JUISF'. How will 'EQUAL' be written in that language?
Images of consonants of the capital English alphabets are observed in a mirror. What is the number of images of these which look like their original shapes?
A is the brother of R. C is the mother of B. M is the sister of C. How is M related to B?
How is P related to R? Statements:
I. Q is the son of R.
II. Q is the brother of P.
Find the value of \( x \) in the equation \( 5x - 7 = 3x + 9 \).
Images of vowels of the capital English alphabets are observed in a mirror. What is the number of images of these vowels that look like their original shapes?
MNO : PQR :: XYZ : ?
Find the value of \( x \) in the equation \( 4x - 2 = 10 \).
How many numbers between 0 and 9 look the same when observed in a mirror?
Find the odd one out from the following series: 5, 10, 20, 40, 100, 150, 200