Which of the following relation is wrong ?

1 c a l o r i e = 4.18 j o u l e s

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1 ˚ A = 10^{- 10} m

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1 M e V = 1.6 \times 10^{- 13} j o u l e s

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1 n e w t o n = 10^{- 5} d y n e s

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D $1 n e w t o n = 10^{- 5} d y n e s$
A and B are clearly correct relations (factual).
As for C, $1 e V = 1.6 \times 10^{- 19} J o u l e s$
Thus $1 M e V = 1 e V \times 10^{6} = 1.6 \times 10^{- 13} J o u l e s$
But D is incorrect as $1 N = 10^{5} d y n e s$

Suggest Corrections

Similar questions

Q. The momentum of a particle which has de Broglie wavelength

1 ˚ A

(10^{- 10} m)

is nearly:

Q. Calculate the momentum of a particle which has a de Broglie wavelength of

4.5 \times 10^{- 10} m

(Planck's constant, h = 6.6 \times 10^{- 34} k g m^{2} s^{- 1})

Q. Calculate the momentum of a particle which has a de Broglie wavelength of

2.25 \times 10^{- 10} m

(h = 6.6 \times 10^{- 34} k g m^{2} s^{- 1})

The charge of an electron is known to be $1.6 \times 10^{- 19} C$ . In a circuit, the current flowing is $1 A$ . How many electrons will be flowing through the circuit per second?

Q. One MeV of nuclear energy is equivalent to:

(a) 1.6 × 10⁻¹³ J
(b) 1.6 × 10⁻¹⁹ J
(c) 1.6 × 10⁻¹⁶ J
(d) 1.6 × 10⁻¹⁵ J

Join BYJU'S Learning Program

Which of the following relation is wrong ?

The correct option is D 1 newton=10−5dynesA and B are clearly correct relations (factual). As for C, 1eV=1.6×10−19Joules Thus 1MeV=1eV×106=1.6×10−13JoulesBut D is incorrect as 1 N=105dynes

The correct option is D $1 n e w t o n = 10^{- 5} d y n e s$
A and B are clearly correct relations (factual).
As for C, $1 e V = 1.6 \times 10^{- 19} J o u l e s$
Thus $1 M e V = 1 e V \times 10^{6} = 1.6 \times 10^{- 13} J o u l e s$
But D is incorrect as $1 N = 10^{5} d y n e s$