Top 10 Science PYQs

Assertion) The coil of a heater is cut into 2 equal haves and only one of them is used in the heater. The heater will now require half the time to produce the same amount of heat. Reason) The heat produced is directly proportional to the current flowing in it

1) Both are true and reason is the correct explanation of Assertion.

2) Both are true and reason isn't the correct explanation of Assertion

3) Assertion is true and reason is false.

4) Assertion is false and reason is true.

5) Nahi aata bhai

Other

Please Specify :

A solution reacts with crushed eggs to give a gas that turns lime water milky.

1) KCl

2) HCl

3) LiCl

4) NaCl

You are given n identical wires, each of resistance R when these are connected in parallel, the equivalent resistance is X. When these will be connected in series, then the equivalent resistance will be

1) n²X

2) R/n

3) nX

4) nX/R

Identify the compound: "Hello hello! There i am, made up of one of the most reactive element. I can easily absorb the product of respiration. Who i ???

1) Sodium hydroxide

2) Magnesium hydroxide

3) Calcium hydroxide

4) Potassium hydroxide

In which club, Ronaldo is now captain after resigning from Portugal?

1) Al Nassr

2) Barcelona

3) Real Madrid

4) Liverpool

Who's dialogue is this: "He's not alive, not dead. But he's somewhere around but in a bad state.

A) Harry Potter

B) Severus Snape

C) Hagrid

D) Albus Dumbeldore