L
In Fig. 9.22, l, m, n, are straight lines such that l || m and n intersects l at P and m at Q. ABCD is a quadrilateral such that its vertex A is on l. The vertices C and D are on m and AD || n. Show that
01
Jul
In Fig. 9.22, l, m, n, are straight lines such that l || m and n intersects l at P and m at Q. ABCD is a quadrilateral such that its vertex A is on l. The vertices C and D are on m and AD || n. Show that are straight lines such that [...]
Four persons K,L,M,N are initially at the four corners of a square of side d. Each person now moves with a uniform speed v in such a way that K always moves directly towards M, M directly towards N, and N directly towards K. The four persons will meet at a time
12
Feb
Four persons K,L,M,N are initially at the four corners of a square of side d. Each person now moves with a uniform speed v in such a way that K always moves directly towards M, M directly towards N, and N directly towards K. The four persons will meet at a time and N directly [...]
L,C and R represent the physical quantities inductance , capacitance and resistance , respectively . The combinations which have the dimensions of frequancy are
10
Feb
L,C and R represent the physical quantities inductance , capacitance and resistance , respectively . The combinations which have the dimensions of frequancy are C and R represent the physical quantities inductance capacitance and resistance L respectively . The combinations which have the dimensions of frequancy are February 10, 2021 Category: Chapter 5 - Rotational [...]
Three identical point charges, each of mass m and charge q, hang from three strings as shown in fig. The value of q in term of m, L, and q is
06
Dec
Three identical point charges, each of mass m and charge q, hang from three strings as shown in fig. The value of q in term of m, L, and q is and q is each of mass m and charge q hang from three strings as shown in fig. The value of q in term [...]
The ionization energy of hydrogen atom is -13.6 eV. The energy required to excite the electron in a hydrogen atom from the ground state to the first excited state is (Avogadro’s constant = 6.022 x 10^23 )
29
Nov
The ionization energy of hydrogen atom is -13.6 eV. The energy required to excite the electron in a hydrogen atom from the ground state to the first excited state is (Avogadro’s constant = 6.022 x 10^23 ) Assertion : Atomic orbital in an atom is designated by n L ml and ms. Reason : These [...]
Assertion : Energy of the orbitals increases as 1s <2s = 2p < 3s = 3p <3d <4s = 4p = 4d = 4f <………… in hydrogen atom. Reason : Energy of the electron depends completely on principal quantum number.
29
Nov
Assertion : Energy of the orbitals increases as 1s <2s = 2p < 3s = 3p <3d <4s = 4p = 4d = 4f <………… in hydrogen atom. Reason : Energy of the electron depends completely on principal quantum number. Assertion : Atomic orbital in an atom is designated by n L ml and ms. [...]
Assertion : Atomic orbital in an atom is designated by n , l , ml and ms. Reason : These are helpful in designating electron present in an orbital.
29
Nov
Assertion : Atomic orbital in an atom is designated by n , l , ml and ms. Reason : These are helpful in designating electron present in an orbital. Assertion : Atomic orbital in an atom is designated by n L ml and ms. Reason : These are helpful in designating electron present in an [...]
Three identical point charges, each of mass m and charge q , hang from three strings as shown in figure. The value of q in terms of m , L , and q is
29
Oct
Three identical point charges, each of mass m and charge q , hang from three strings as shown in figure. The value of q in terms of m , L , and q is and q is each of mass m and charge q hang from three strings as shown in figure. The value of [...]
A disc of radius R is rolling without sliding on a horizontal surface with a velocity of center of mass v and angular velocity ω in a uniform magnetic field B which is perpendicular to the plane of the disc as shown in figure. O is the center of the disc and P,Q,R and S are the four points on the disc. which of the following statements are true ?
21
Oct
A disc of radius R is rolling without sliding on a horizontal surface with a velocity of center of mass v and angular velocity ω in a uniform magnetic field B which is perpendicular to the plane of the disc as shown in figure. O is the center of the disc and P,Q,R and S [...]
Tags:
0). If the rod moves with a velocity v = v0 ,
find the emf induced between the ends of the rod. ,
In a magnetic field as shown ,
L ,
The magnetic field inn a region is given by B = k B0/L y where L is a fixed length. A conducting rod of length L lies along the Y - axis between the origin and the point (0 ,
In a magnetic field as shown, in Fig. two horizontal wires of same mass and length l1 and l2 are free to slide on different vertical rails with velocities v1 and v2 respectively. If the resistance of two circuits are same and a1anda2 are acceleration of two horizontal wires respectively, the condition for a1>a2 is
20
Oct
In a magnetic field as shown, in Fig. two horizontal wires of same mass and length l1 and l2 are free to slide on different vertical rails with velocities v1 and v2 respectively. If the resistance of two circuits are same and a1anda2 are acceleration of two horizontal wires respectively, the condition for a1>a2 is [...]
Tags:
0). If the rod moves with a velocity v = v0 ,
find the emf induced between the ends of the rod. ,
In a magnetic field as shown ,
L ,
The magnetic field inn a region is given by B = k B0/L y where L is a fixed length. A conducting rod of length L lies along the Y - axis between the origin and the point (0 ,