CBSE Class 12-science Questions and Answers
Adequate preparation for Class 12 Science subjects also gives you an edge if you want to pursue engineering or medicine-related courses in reputed colleges in India. The reason is, your Class 12 Science syllabus topics are part of the syllabus of competitive exams like JEE or NEET. You can find all the necessary resources for your Class 12 exam preparation along with JEE and NEET prep e-learning materials on TopperLearning.
Now, you can quickly revise Class 12 topics with our complete textbook solutions for NCERT CBSE Class 12 Science. Our Class 12 textbook solutions cover subjects such as Physics, Biology, Chemistry, Mathematics and Hindi. For extra practise, our textbook solutions also consist of free RD Sharma solutions for Class 12 Mathematics. Study thoroughly by using our model answers that are created by subject experts, as per your latest Class 12 Science syllabus and exam guidelines.
Browse through our CBSE Class 12 Science resources and add these resources to your study plan as required. Practise questions from CBSE Class 12 Science Mathematics a little more or revise the most important questions in Physics multiple times. And if you come across difficulties, ask your questions through our ‘Undoubt’ section to get the necessary answers. This way, preparing for your exam with some of the best Class 12 study materials right here on TopperLearning can support you in achieving the desired score in your board exam.
CBSE XII Science - Physics
A parallel beam of light of wavelength 600 nm is incident normally on a slit of width 0.2 mm. If the resulting diffraction pattern is observed on a screen 1 m away, find the distance of (i) First minimum, and (ii) Second maximum, from the central maximum.
Asked by suman.sh01
| 21st May, 2022,
11:09: AM
CBSE XII Science - Physics
if separation between the two slits is increased till fringes are observed then what will happen to angular separation of fringes (my thought is here fringes are not observed and they are increasing till fringes show up ...so until then what will happen to angular width if we increase d-slit separation..does angular width increases or remains same
Asked by neetaspirantdoctor
| 20th May, 2022,
03:57: PM
CBSE XII Science - Biology
what do you mean by DNA fingerprinting
Asked by bhatzahiq
| 19th May, 2022,
02:41: PM
CBSE XII Science - Physics
Please refer to the uploaded image for the doubt.
Asked by arjunsah797
| 19th May, 2022,
12:53: PM
CBSE XII Science - Physics
55Cs124(Z=55,A=124) has a half life of 30.8s. (a) If we have 7.8 microgram initially, how many nuclei are presents? How many are present 2 min later? (b) What is the activity at this time? (c) After how much time will the activity drop to less than about 1 per second?
Asked by arjunsah797
| 16th May, 2022,
02:17: PM
CBSE XII Science - Physics
calculate the electric field due to the electric dipole of length 2 cm having charge 4 microcoulomb at an angle of minus 60 degree for the direction of electric dipole moment 1 meter for the center to the dipole
Asked by surajsinghrajput4691
| 16th May, 2022,
12:20: AM
CBSE XII Science - Physics
Please refer to the uploaded image for the doubt
Asked by arjunsah797
| 15th May, 2022,
01:18: PM
CBSE XII Science - Physics
Please refer to the uploaded image for the doubt
Asked by arjunsah797
| 14th May, 2022,
01:34: PM
CBSE XII Science - Chemistry
Please refer to the uploaded image for the doubt.
Asked by arjunsah797
| 13th May, 2022,
06:50: PM
CBSE XII Science - Physics
Deduce Coulomb's law from Gauss theorum.
Asked by Aarushi Srivastava
| 11th May, 2022,
08:19: PM
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