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

The fundamental frequency of an open organ pipe is $$600 \mathrm{~Hz}$$. The first overtone of this pipe has same frequency as first overtone of a closed organ pipe. If speed of sound is $$330 \mathrm{~m} / \mathrm{s}$$, then the length of a closed organ pipe is

A
21 cm
B
37 cm
C
31 cm
D
80 cm
2
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

A Carnot's heat engine works between the temperature $$527^{\circ} \mathrm{C}$$ and $$127^{\circ} \mathrm{C}$$. What amount of heat should it consume per second to deliver mechanical work at the rate of $$1.0 \mathrm{~kW}$$ ?

A
0.477 kcal/s
B
4.77 kcal/s
C
447.7 kcal/s
D
0.2385 kcal/s
3
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

The total energy of an electron in the second excited state of hydrogen atom is about $$-1.51 \mathrm{~eV}$$. Its kinetic energy in this state is

A
$$-1.5 \mathrm{~eV}$$
B
$$-3.02 \mathrm{~eV}$$
C
3.02 eV
D
1.51 eV
4
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

The masses of block $$A$$ and $$B$$ are $$m$$ and $$M$$, respectively. Between $$A$$ and $$B$$, there is a constant frictional force $$F$$ and $$B$$ can slide on a smooth horizontal surface. A is set in motion with velocity $$3 v_0$$ while $$B$$ is at rest. What is the distance moved by $$A$$ relative to $$B$$ before they move with the same velocity?

BITSAT 2023 Physics - Laws of Motion Question 1 English

A
$$\frac{m M v_0^2}{F(m-M)}$$
B
$$\frac{M v_0^2}{18 F(m-M)}$$
C
$$\frac{m M v_0^2}{9 F(m+M)}$$
D
$$\frac{9 m M v_0^2}{2 F(m+M)}$$
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