Practice Set 1
A sphere of mass 2kg and radius 0.5 m is rolling with an initial speed of 1 ms^–1 goes up an inclined plane which makes an angle of 30° with the horizontal plane, without slipping. How low will the sphere take to return to the starting point A ?
28
Sep
A sphere of mass 2kg and radius 0.5 m is rolling with an initial speed of 1 ms^–1 goes up an inclined plane which makes an angle of 30° with the horizontal plane, without slipping. How low will the sphere take to return to the starting point A ? A sphere of mass 2kg and [...]
What happens to the inductive reactance and the current in a purely inductive circuit if the frequency is halved ?
28
Sep
What happens to the inductive reactance and the current in a purely inductive circuit if the frequency is halved ? What happens to the inductive reactance and the current in a purely inductive circuit if the frequency is halved ? September 28, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 [...]
Two identical photocathodes receive light of frequencies f1 and f2 . If the velocities of the photoelectrons (of mass m) coming out are v1 and v2 respectively , then
28
Sep
Two identical photocathodes receive light of frequencies f1 and f2 . If the velocities of the photoelectrons (of mass m) coming out are v1 and v2 respectively , then then Two identical photocathodes receive light of frequencies f1 and f2 . If the velocities of the photoelectrons (of mass m) coming out are v1 and [...]
The atomic hydrogen emits a line spectrum consisting of various series. Which series of hydrogen atomic spectra is lying in the visible region ?
28
Sep
The atomic hydrogen emits a line spectrum consisting of various series. Which series of hydrogen atomic spectra is lying in the visible region ? The atomic hydrogen emits a line spectrum consisting of various series. Which series of hydrogen atomic spectra is lying in the visible region ? September 28, 2021 Category: JEE Mains Physics [...]
Match List I and List II. Choose the most appropriate answer from the options given below :
28
Sep
Match List I and List II. Choose the most appropriate answer from the options given below : Match List I and List II. Choose the most appropriate answer from the options given below : September 28, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,
A hairpin like shape as shown in figure is made by bending a long current carrying wire. What is the magnitude of a magnetic field at point P which lies on the centre of the semicircle ?
28
Sep
A hairpin like shape as shown in figure is made by bending a long current carrying wire. What is the magnitude of a magnetic field at point P which lies on the centre of the semicircle ? A hairpin like shape as shown in figure is made by bending a long current carrying wire. What [...]
Two particles A and B of equal masses are suspended from two massless springs of spring constants k1 and k2, respectively. If the maximum velocities, during oscillations, are equal, the ratio of amplitudes of A and B is
28
Sep
Two particles A and B of equal masses are suspended from two massless springs of spring constants k1 and k2, respectively. If the maximum velocities, during oscillations, are equal, the ratio of amplitudes of A and B is are equal during oscillations respectively. If the maximum velocities the ratio of amplitudes of A and B [...]
Two cells of emf 2E and E with internal resistance r1 and r2 respectively are connected in series to an external resistor R (see figure). The value of R, at which the potential difference across the terminals of the first cell becomes zero is
28
Sep
Two cells of emf 2E and E with internal resistance r1 and r2 respectively are connected in series to an external resistor R (see figure). The value of R, at which the potential difference across the terminals of the first cell becomes zero is at which the potential difference across the terminals of the first [...]
A carrier signal C(t) = 25 sin (2.512 × 10^10 t) is amplitude modulated by a message signal m(t) = 5 sin (1.57 × 10^8 t) and transmitted through an antenna. What will be the bandwidth of the modulated signal ?
28
Sep
A carrier signal C(t) = 25 sin (2.512 × 10^10 t) is amplitude modulated by a message signal m(t) = 5 sin (1.57 × 10^8 t) and transmitted through an antenna. What will be the bandwidth of the modulated signal ? Red light differs from blue light as they have: September 28, 2021 Category: JEE [...]
Which one of the correct option for the two different thermodynamic process ?
28
Sep
Which one of the correct option for the two different thermodynamic process ? Which one of the correct option for the two different thermodynamic process ? September 28, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,