If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
10°C
15°C
20°C
30°C
40°C
Correct answer is A
No explanation has been provided for this answer.
I only
II only
I and II only
I and III only
II and III only
Correct answer is C
No explanation has been provided for this answer.
(A – 2) and (Z – 2)
(A + 4) and (Z + 2)
(A– 4) and (Z+2)
(A+ 4) and (Z – 2)
(A – 4) and (Z – 2)
Correct answer is E
Let the element be S and the element formed after emission be X.
\(\implies ^{A} _{Z}S \to ^{4} _{2}He + X\)
\(\therefore X = ^{A - 4} _{Z - 2}X\).
M(C1 ÷ C2) x T
ML
L
M(C1 + C2) × T ÷ ML
ML(C1 + C2 ÷ 2) × T
Correct answer is B
No explanation has been provided for this answer.
anti-clockwise
clockwise
equal to the product to the forces
numerically equal to the total forces acting
equal to zero
Correct answer is E
No explanation has been provided for this answer.