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.
A concave lens of focal length 20cm form an image 1/2 the size of the object. The object distance is
100cm
\( \frac{100}{q} \)
60cm
\( \frac{60}{7} \)
None of the above
Correct answer is C
No explanation has been provided for this answer.
\( \beta , \beta , \alpha \)
\( \alpha , \gamma , \beta \)
\( \gamma , \alpha , \beta \)
\( \alpha , \alpha , \beta \)
\( \beta , \alpha , \beta \)
Correct answer is C
No explanation has been provided for this answer.
I Only
II and III Only
II Only
III Only
II,III and IV Only
Correct answer is B
No explanation has been provided for this answer.
\( 1.5 \frac{ \sqrt{2}}{3} \)s
\( 1.5 \frac{ \sqrt{3}}{2} \)s
2.25s
1.00s
2.00s
Correct answer is A
No explanation has been provided for this answer.
\( \frac{5}{6} \)
\( \frac{5}{12} \)
\( \frac{1}{3} \)
\( \frac{2}{3} \)
Correct answer is B
No explanation has been provided for this answer.