MCQ
An astronaut in a spaceship see the outer space as
- AWhite
- ✓Black
- CBlue
- DRed
✓
Answer
Correct option: B.
Black
Black
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of the following cannot be emitted by radioactive substances during their decay
Magnification of a compound microscope is $30$. Focal length of eye-piece is $5\, cm$ and the image is formed at a distance of distinct vision of $25\, cm$. The magnification of the objective lens is
→Two charges of $-4 \ \mu \mathrm{C}$ and $+4\ \mu \mathrm{C}$ are placed at the points $A(1,0,4) \mathrm{m}$ and $B(2,-1,5) \mathrm{m}$ located in an electric field $\vec{E}=0.20 \hat{\mathrm{i}} \mathrm{V} / \mathrm{cm}$. The magnitude of the torque acting on the dipole is $8 \sqrt{\alpha} \times 10^{-3} \mathrm{Nm}$, Where $\alpha=$___________
→A $5\ V$ battery with internal resistance $2\,\Omega$ and a $2\,V$ battery with internal resistance ln are connected to a $10\,\Omega$ resistor as shown in the figure.
→If the source of light used in a Young's double slit experiment is changed from red to violet:
The self induction takes place when magnetic flux through a coil:
A $10\, micro-farad$ capacitor is charged to $500\, V$ and then its plates are joined together through a resistance of $10\, ohm$. The heat produced in the resistance is........$J$
→. A surface that has the same electrostatic potential at every point on it is known as $......$
→Given Truth table is correct for
→$P\,\, 1\,\, 1\,\, 0\,\, 0$
$Q\,\, 1\,\, 0\,\, 1 \,\,0$
$R\,\, 1\,\, 0\,\, 0 \,\,0$
In an adjoining figure are shown three capacitors $C_1,C_2$ and $C_3$ joined to a battery. The correct condition will be (Symbols have their usual meanings)
→