Practice Set 1
A uniform metallic wire is elongated by 0.04 m when subjected to a linear force F. The elongation, if its length and diameter is doubled and subjected to the same force will be …….. cm.
26
Sep
A uniform metallic wire is elongated by 0.04 m when subjected to a linear force F. The elongation, if its length and diameter is doubled and subjected to the same force will be …….. cm. A uniform metallic wire is elongated by 0.04 m when subjected to a linear force F. The elongation if its [...]
A body weighs 49 N on a spring balance at the north pole. What will be its weight recorded on the same weighing machine, if it is shifted to the equator ? (Use g = GM/R^2 9.8 ms^–2 and radius of earth, R = 6400 km.]
26
Sep
A body weighs 49 N on a spring balance at the north pole. What will be its weight recorded on the same weighing machine, if it is shifted to the equator ? (Use g = GM/R^2 9.8 ms^–2 and radius of earth, R = 6400 km.] A body weighs 49 N on a spring balance [...]
A particle is projected with velocity v0 along x-axis. A damping force is acting on the particle which is proportional to the square of the distance from the origin i.e., ma = –ax^2. The distance at which the particle stops :
26
Sep
A particle is projected with velocity v0 along x-axis. A damping force is acting on the particle which is proportional to the square of the distance from the origin i.e., ma = –ax^2. The distance at which the particle stops : A particle is projected with velocity v0 along x-axis. A damping force is acting [...]
Match List I with List II. Choose the correct answer from the options given below :
26
Sep
Match List I with List II. Choose the correct answer from the options given below : Match list I with list II. Choose the correct answer from the options given below: September 26, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,
Zener breakdown occurs in a p-n junction having p and n both
26
Sep
Zener breakdown occurs in a p-n junction having p and n both Zener breakdown occurs in a p-n junction having p and n both September 26, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,
A circular hole of radius (a/2) is cut out of a circular disc of radius ‘a’ as shown in figure. The centroid of the remaining circular portion with respect to point ‘O’ will be :
26
Sep
A circular hole of radius (a/2) is cut out of a circular disc of radius ‘a’ as shown in figure. The centroid of the remaining circular portion with respect to point ‘O’ will be : A circular hole of radius (a/2) is cut out of a circular disc of radius 'a' as shown in figure. [...]
If the source of light used in a Young’s double slit experiment is changed from red to violet,
26
Sep
If the source of light used in a Young’s double slit experiment is changed from red to violet, If the source of light used in a Young's double slit experiment is changed from red to violet September 26, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,
Which of the following equations represents a travelling wave ?
26
Sep
Which of the following equations represents a travelling wave ? Which of the following equations represents a travelling wave ? September 26, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,
According to Bohr atom model, in which of the following transitions will the frequency be maximum ?
26
Sep
According to Bohr atom model, in which of the following transitions will the frequency be maximum ? According to Bohr atom model in which of the following transitions will the frequency be maximum ? September 26, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,
An X-ray tube is operated at 1.24 million volt. The shortest wavelength of the produced photon will be :
26
Sep
An X-ray tube is operated at 1.24 million volt. The shortest wavelength of the produced photon will be : An X-ray tube is operated at 1.24 million volt. The shortest wavelength of the produced photon will be : September 26, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,