📢 1800+ Railway Questions & RRB Study Material🚀
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For the following questions answer them individually
For photosynthesis, energy is obtained from
Sunlight
Water
Chlorophyll
Vitamin
We see sun before actual sunrise or after sunset due to
Reflection
Scattering
Refraction
Diffraction
Who started the Saka Era ?
Kanishka
Vikramaditya
Ashoka
None of these
A sector of a circle subtending angle 36° has an area 3.85 $$cm^{2}$$. The length of the arc is
2.2 cm
2.5 cm
2.7 cm
The dimensions of energy are
$$ML^{2}T^{-2}$$
$$ML^{2}T^{-3}$$
$$ML^{-1}T^{-2}$$
$$M^{0}L^{0}T^{4}$$
The Vector quantity is
Pressure
Angular momentum
Work
Power
The maximum number of electrons in the second orbit of an element is
8
32
18
2
Saina Nehwal is related to?
Tennis
Badminton
Table tennis
Dolomite is an Ore of
Zinc
Lead
Iron
Magnesium
The permeability in free space is equal to
$$\frac{1}{4\pi\times10^{-7}}$$ wb/Am
$$\frac{1}{4\pi\times10^{7}}$$ wb/Am
$${4\pi\times10^{7}}$$ wb/Am
$${4\pi\times10^{-7}}$$ wb/Am
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