0.15°C
1.50°C
15.00°C
21.00 °C
50.00°C
Correct answer is B
water height as 630cm, gravity = 10m/s2, specific heat capacity of weather as 4200J
Temperature change = ghc = 630∗104200
= 1.5C
What is X in the equation given below? 42He + 94Be → 126C + X
electron
hydrogen
lithium
neutron
proton
Correct answer is D
No explanation has been provided for this answer.
I only
II only
I and III only
II and III only
I, II and III
Correct answer is B
Quality is that characteristic note which distinguishes the two sounds of the same loudness and same pitch but emitted by two different instruments.
2.0 × 10-4J
8.0 ×10-4J
4.0 × 10-3J
8.0 × 10-3J
1.6 × 10-2J
Correct answer is D
No explanation has been provided for this answer.
Which scientist discovered natural radioactivity?
Enrico Fermi
Henri Becquerel
Marie Curie
Micheal Faraday
Niels Bohr
Correct answer is B
No explanation has been provided for this answer.