1
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The general solution of the differential equation $y+\cos x\left(\frac{d y}{d x}\right)-\cos ^2 x=0$ is

A

$(\sec x+\tan x) y=x+\cos x+c$

B

$(1+\cos x) y=(x+c) \cos x-\cos ^2 x$

C

$(1+\sin x) y=(x+c) \cos x-\cos ^2 x$

D

$(\sec x+\tan x) y=x-\sin x+c$

2
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The dimensional formula of Planck's constant is

A

$\left[\mathrm{ML}^2 \mathrm{~T}^{-3}\right]$

B

$\left[\mathrm{ML}^2 \mathrm{~T}^0\right]$

C

$\left[\mathrm{ML}^2 \mathrm{~T}^{-1}\right]$

D

$\left[\mathrm{M}^0 \mathrm{~L}^0 \mathrm{~T}^0\right]$

3
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The ratio of the displacements of a freely falling body during second and fifth seconds of its motion is

A

$1: 1$

B

$2: 5$

C

$4: 25$

D

$1: 3$

4
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The magnitudes of two vectors are $A$ and $B(A>B)$. If the maximum resultant magnitude of the two vectors is ' $n$ ' times their minimum resultant magnitude, then $\frac{A}{B}=$

A

$\frac{n}{n-1}$

B

$\frac{n+1}{n}$

C

$\frac{n^2+1}{n-1}$

D

$\frac{n+1}{n-1}$