Practice Set 1
The volume V of a given mass of monoatomic gas changes with temperature T according to the relation V = KT^2/3. The workdone when temperature changes by 90 K will be xR. The value of x is [R = universal gas constant]
28
Sep
The volume V of a given mass of monoatomic gas changes with temperature T according to the relation V = KT^2/3. The workdone when temperature changes by 90 K will be xR. The value of x is [R = universal gas constant] Find the peak current and resonant frequency of the following circuit (as shown [...]
The incident ray, reflected ray and the outward drawn normal are denoted by the unit vectors → a , → b and → c respectively. Then choose the correct relation for these vectors.
28
Sep
The incident ray, reflected ray and the outward drawn normal are denoted by the unit vectors → a , → b and → c respectively. Then choose the correct relation for these vectors. → b and → c respectively. Then choose the correct relation for these vectors. reflected ray and the outward drawn normal are [...]
A wire of 1Ω has a length of 1m. It is stretched till its length increases by 25%. The percentage change in resistance to the nearest integer is :-
28
Sep
A wire of 1Ω has a length of 1m. It is stretched till its length increases by 25%. The percentage change in resistance to the nearest integer is :- A wire of 1Ω has a length of 1m. It is stretched till its length increases by 25%. The percentage change in resistance to the nearest [...]
Given below are two statements : Statement I : A second’s pendulum has a time period of 1 second. Statement II : It takes precisely one second to move between the two extreme positions. In the light of the above statements, choose the correct answer from the options given below :
28
Sep
Given below are two statements : Statement I : A second’s pendulum has a time period of 1 second. Statement II : It takes precisely one second to move between the two extreme positions. In the light of the above statements, choose the correct answer from the options given below : Find the peak current [...]
A scooter accelerates from rest for time t1 at constant rate a1 and then retards at constant rate a2 for time t2 and comes to rest. The correct value of t1/t2 will be :-
28
Sep
A scooter accelerates from rest for time t1 at constant rate a1 and then retards at constant rate a2 for time t2 and comes to rest. The correct value of t1/t2 will be :- A scooter accelerates from rest for time t1 at constant rate a1 and then retards at constant rate a2 for time [...]
A radioactive sample is undergoing α decay. At any time t1, its activity is A and another time t2, the activity is A/5. What is the average life time for the sample ?
28
Sep
A radioactive sample is undergoing α decay. At any time t1, its activity is A and another time t2, the activity is A/5. What is the average life time for the sample ? A radioactive sample is undergoing α decay. At any time t1 its activity is A and another time t2 the activity is [...]
Draw the output signal Y in the given combination of gates :-
28
Sep
Draw the output signal Y in the given combination of gates :- Draw the output signal Y in the given combination of gates :- September 28, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,
Two masses A and B, each of mass M are fixed together by a massless spring. A force acts on the mass B as shown in figure. If the mass A starts moving away from mass B with acceleration ‘a’, then the acceleration of mass B will be :-
28
Sep
Two masses A and B, each of mass M are fixed together by a massless spring. A force acts on the mass B as shown in figure. If the mass A starts moving away from mass B with acceleration ‘a’, then the acceleration of mass B will be :- each of mass M are fixed [...]
An inclined plane making an angle of 30° with the horizontal is placed in a uniform horizontal electric field 200 N/C as shown in the figure. A body of mass 1kg and charge 5 mC is allowed to slide down from rest at a height of 1m. If the coefficient of friction is 0.2, find the time taken by the body to reach the bottom. [g=9.8m/s^2, sin 30º = 1/2 ; cos 30º = √3/2]
28
Sep
An inclined plane making an angle of 30° with the horizontal is placed in a uniform horizontal electric field 200 N/C as shown in the figure. A body of mass 1kg and charge 5 mC is allowed to slide down from rest at a height of 1m. If the coefficient of friction is 0.2, find [...]
Find the peak current and resonant frequency of the following circuit (as shown in figure).
28
Sep
Find the peak current and resonant frequency of the following circuit (as shown in figure). Find the peak current and resonant frequency of the following circuit (as shown in figure). September 28, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,