1
MHT CET 2025 25th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two tuning forks of frequencies 256 Hz and 258 Hz are sounded together. The time interval between two consecutive maxima is

A
250 s
B
252 s
C
2 s
D
0.5 s
2
MHT CET 2025 25th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

' $n$ ' identical small spherical drops of water, each of radius ' $r$ ' and charged to the same potential ' v ' are combined to form a big drop. The potential of a big drop is

A
nv
B
$n \sqrt{v}$
C
$n^{1 / 3} v$
D
$\mathrm{n}^{2 / 3} \mathrm{v}$
3
MHT CET 2025 25th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Sodium and copper have work functions 2.3 eV and 4.5 eV respectively. The ratio of threshold wavelength of sodium to that of copper is nearest to
A
$1: 4$
B
$4: 1$
C
$1: 2$
D
$2: 1$
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