1
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

If $$A, B, C \in[0, \pi]$$ and if $$A, B, C$$ are in $$\mathrm{AP}$$, then $$\frac{\sin A+\sin C}{\cos A+\cos C}$$ is equal to

A
$$\sin B$$
B
$$\cos B$$
C
$$\cot B$$
D
$$\tan B$$
2
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

For a constant hydraulic stress on an object, the fractional change in the object's volume $$(\Delta V / V)$$ and its bulk modulus $$B$$ are related as

A
$$\frac{\Delta V}{V} \propto B$$
B
$$\frac{\Delta V}{V} \propto B^2$$
C
$$\frac{\Delta V}{V} \propto \frac{1}{B}$$
D
$$\frac{\Delta V}{V} \propto \frac{1}{B^2}$$
3
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

When 0.25$$\mathop A\limits^o $$ X-Rays strike a material, the photoelectrons from the $$K$$ shell are observed to more in a circle of radius $$23 \mathrm{~mm}$$ in magnetic field of $$4 \times 10^{-2}$$ tesla active perpendicularly to the direction of emission of photoelectrons. What is the Binding energy of $$K$$ shell electrons?

A
31.5 keV
B
23.71 keV
C
29.41 keV
D
24.9 keV
4
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

A common emitter amplifier has a voltage gain of 50 an input impedance of 100 $$\Omega$$ and an output impedance of 400 $$\Omega$$. The power gain of the amplifier is

A
500
B
1000
C
625
D
50
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12