Question Answers
Sahay Sir > Question Answers
1.00 kg of 235 U undergoes fission process. If energy released per event is 200 MeV , then the total energy released is
17
Oct
1.00 kg of 235 U undergoes fission process. If energy released per event is 200 MeV , then the total energy released is 1.00 kg of 235 U undergoes fission process. If energy released per event is 200 MeV then the total energy released is October 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM [...]
1. Give five examples of data that you can collect from your day-to-day life.
17
Oct
1. Give five examples of data that you can collect from your day-to-day life. 1. Give five examples of data that you can collect from your day-to-day life. October 17, 2020 Category: Chapter 14 - Statistics , Maths , NCERT Class 9 ,
A wire carrying current i has the configuration as shown in figure. Two semi-infinite straight sections, both tangent to the same circle, are connected by a circular arc of central angle theta, along the circumference of the circle, with all sections lying in the same plane. What must be for B to be zero at the centre of the circle?
17
Oct
A wire carrying current i has the configuration as shown in figure. Two semi-infinite straight sections, both tangent to the same circle, are connected by a circular arc of central angle theta, along the circumference of the circle, with all sections lying in the same plane. What must be for B to be zero at [...]
Tags:
A wire carrying current i has the configuration as shown in figure.Two semi-infinite straight sections ,
along the circumference of the circle ,
are connected by a circular arc of central angle theta ,
both tangent to the same circle ,
with all sections lying in the same plane. What must be for B to be zero at the centre of the circle? ,
10. A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in mm^3) is needed to fill this capsule?
17
Oct
10. A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in mm^3) is needed to fill this capsule? 10. A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in mm^3) is needed to fill this capsule? October [...]
9. Twenty-seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S’. Find the (i) radius r’ of the new sphere, (ii) ratio of S and S’.
17
Oct
9. Twenty-seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S’. Find the (i) radius r’ of the new sphere, (ii) ratio of S and S’. (ii) ratio of S and S’. 9. Twenty-seven solid iron spheres each of radius r and surface [...]
Two circular coils made of similar wires but of radii 20 and 40 cm are connected in parallel. Find the rotio of the magnetic fields at their centers.
17
Oct
Two circular coils made of similar wires but of radii 20 and 40 cm are connected in parallel. Find the rotio of the magnetic fields at their centers. Two circular coils made of similar wires but of radii 20 and 40 cm are connected in parallel. Find the rotio of the magnetic fields at their [...]
8. A dome of a building is in the form of a hemisphere. From inside, it was white-washed at the cost of Rs. 4989.60. If the cost of white-washing isRs20 per square meter, find the (i) inside surface area of the dome (ii) volume of the air inside the dome
17
Oct
8. A dome of a building is in the form of a hemisphere. From inside, it was white-washed at the cost of Rs. 4989.60. If the cost of white-washing isRs20 per square meter, find the (i) inside surface area of the dome (ii) volume of the air inside the dome 8. A dome of a [...]
If the Q value of an endothermic reaction is 11.32 MeV, then the minimum energy of the reactant nuclei to carry out the reaction is (in laboratory frame of reference)
17
Oct
If the Q value of an endothermic reaction is 11.32 MeV, then the minimum energy of the reactant nuclei to carry out the reaction is (in laboratory frame of reference) If the Q value of an endothermic reaction is 11.32 MeV then the minimum energy of the reactant nuclei to carry out the reaction is [...]
7. Find the volume of a sphere whose surface area is 154 cm^2.
17
Oct
7. Find the volume of a sphere whose surface area is 154 cm^2. 7. Find the volume of a sphere whose surface area is 154 cm^2. October 17, 2020 Category: Chapter 13 - Surface Areas and Volumes , Maths , NCERT Class 9 ,
6. A hemi spherical tank is made up of an iron sheet 1cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank.
17
Oct
6. A hemi spherical tank is made up of an iron sheet 1cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank. 6. A hemi spherical tank is made up of an iron sheet 1cm thick. If the inner radius is 1 m then [...]