163986
Four particles each of mass \(m\) are placed at each corners of a square of side \(a\). The potential at the centre of square will be :
1 Zero
2 \(-4 \sqrt{2} \frac{G m}{a}\)
3 \(-\sqrt{2} \frac{G m}{a}\)
4 None of the above
Explanation:
\( -4 \sqrt{2} \frac{G m}{a} \)
NCERT-XI-I -135
5 RBTS PAPER
163987
An artificial satellite of mass ' \(m\) ' revolves around the earth near to its surface then its binding energy is :
1 \(\frac{1}{2} m g R_e\)
2 \(-\frac{1}{2} m g R_e\)
3 \(m g R_e\)
4 \(-m g R_e\)
Explanation:
Binding energy \(=|E|\) \( =\frac{1}{2} \frac{G M m}{R_e}=\frac{1}{2} g m R_e . \)
NCERT-XI-I -138
5 RBTS PAPER
163988
A geostationary satellite has a orbital period:
1 \(2 \mathrm{~h}\)
2 \(6 \mathrm{~h}\)
3 \(12 \mathrm{~h}\)
4 \(24 \mathrm{~h}\).
Explanation:
A geostationary satellite has a orbital period \(24 \mathrm{~h}\).
Modified NLI Expert
5 RBTS PAPER
163989
The value of ' \(g\) ' on the surface of another planet whose mass as well as radius is twice that of earth is \(\left(g_e=\right.\) value on earth) :
163986
Four particles each of mass \(m\) are placed at each corners of a square of side \(a\). The potential at the centre of square will be :
1 Zero
2 \(-4 \sqrt{2} \frac{G m}{a}\)
3 \(-\sqrt{2} \frac{G m}{a}\)
4 None of the above
Explanation:
\( -4 \sqrt{2} \frac{G m}{a} \)
NCERT-XI-I -135
5 RBTS PAPER
163987
An artificial satellite of mass ' \(m\) ' revolves around the earth near to its surface then its binding energy is :
1 \(\frac{1}{2} m g R_e\)
2 \(-\frac{1}{2} m g R_e\)
3 \(m g R_e\)
4 \(-m g R_e\)
Explanation:
Binding energy \(=|E|\) \( =\frac{1}{2} \frac{G M m}{R_e}=\frac{1}{2} g m R_e . \)
NCERT-XI-I -138
5 RBTS PAPER
163988
A geostationary satellite has a orbital period:
1 \(2 \mathrm{~h}\)
2 \(6 \mathrm{~h}\)
3 \(12 \mathrm{~h}\)
4 \(24 \mathrm{~h}\).
Explanation:
A geostationary satellite has a orbital period \(24 \mathrm{~h}\).
Modified NLI Expert
5 RBTS PAPER
163989
The value of ' \(g\) ' on the surface of another planet whose mass as well as radius is twice that of earth is \(\left(g_e=\right.\) value on earth) :
163986
Four particles each of mass \(m\) are placed at each corners of a square of side \(a\). The potential at the centre of square will be :
1 Zero
2 \(-4 \sqrt{2} \frac{G m}{a}\)
3 \(-\sqrt{2} \frac{G m}{a}\)
4 None of the above
Explanation:
\( -4 \sqrt{2} \frac{G m}{a} \)
NCERT-XI-I -135
5 RBTS PAPER
163987
An artificial satellite of mass ' \(m\) ' revolves around the earth near to its surface then its binding energy is :
1 \(\frac{1}{2} m g R_e\)
2 \(-\frac{1}{2} m g R_e\)
3 \(m g R_e\)
4 \(-m g R_e\)
Explanation:
Binding energy \(=|E|\) \( =\frac{1}{2} \frac{G M m}{R_e}=\frac{1}{2} g m R_e . \)
NCERT-XI-I -138
5 RBTS PAPER
163988
A geostationary satellite has a orbital period:
1 \(2 \mathrm{~h}\)
2 \(6 \mathrm{~h}\)
3 \(12 \mathrm{~h}\)
4 \(24 \mathrm{~h}\).
Explanation:
A geostationary satellite has a orbital period \(24 \mathrm{~h}\).
Modified NLI Expert
5 RBTS PAPER
163989
The value of ' \(g\) ' on the surface of another planet whose mass as well as radius is twice that of earth is \(\left(g_e=\right.\) value on earth) :
163986
Four particles each of mass \(m\) are placed at each corners of a square of side \(a\). The potential at the centre of square will be :
1 Zero
2 \(-4 \sqrt{2} \frac{G m}{a}\)
3 \(-\sqrt{2} \frac{G m}{a}\)
4 None of the above
Explanation:
\( -4 \sqrt{2} \frac{G m}{a} \)
NCERT-XI-I -135
5 RBTS PAPER
163987
An artificial satellite of mass ' \(m\) ' revolves around the earth near to its surface then its binding energy is :
1 \(\frac{1}{2} m g R_e\)
2 \(-\frac{1}{2} m g R_e\)
3 \(m g R_e\)
4 \(-m g R_e\)
Explanation:
Binding energy \(=|E|\) \( =\frac{1}{2} \frac{G M m}{R_e}=\frac{1}{2} g m R_e . \)
NCERT-XI-I -138
5 RBTS PAPER
163988
A geostationary satellite has a orbital period:
1 \(2 \mathrm{~h}\)
2 \(6 \mathrm{~h}\)
3 \(12 \mathrm{~h}\)
4 \(24 \mathrm{~h}\).
Explanation:
A geostationary satellite has a orbital period \(24 \mathrm{~h}\).
Modified NLI Expert
5 RBTS PAPER
163989
The value of ' \(g\) ' on the surface of another planet whose mass as well as radius is twice that of earth is \(\left(g_e=\right.\) value on earth) :