A student conducts an activity using a concave mirror with a focal length of 10 cm. He placed the object 15 cm from the mirror. Where is the image likely to form?
Anonymous Quiz
16%
At 6 cm behind the mirror
31%
At 30 cm behind the mirror
21%
At 6 cm in front of the mirror
32%
At 30 cm in front of the mirror
The image of an object placed in front of a convex mirror is formed at
Anonymous Quiz
9%
The object itself
17%
Twice the distance of the object in front of the mirror
12%
Half the distance of the object in front of the mirror
62%
Behind the mirror
A full length of the image of a distant tall building can definitely be seen using:
Anonymous Quiz
21%
A concave mirror
47%
A convex mirror
14%
A plane mirror
18%
Both concave as well as plane mirrors
A student conducts an activity using a flask of height 15 cm and a concave mirror. He finds that the image formed is 45 cm in height. What is the magnification of the image?
Anonymous Quiz
33%
-3 times
21%
-1/ 3 times
17%
1/ 3 times
29%
3 times
Which of the following can make a parallel beam of light from a point source incident on it?
Anonymous Quiz
44%
Concave mirror as well as convex lens
16%
Convex mirror as well as concave lens
30%
Two plane mirrors placed at 90degree to each other
11%
Concave mirror as well as concave lens
A student studies that the speed of light in air is 300000 km/sec, whereas that of speed in a glass slab is about 197000 km/sec. What causes the difference in the speed of light in these two media?
Anonymous Quiz
67%
Difference in density
10%
Difference in temperature
16%
Difference in the amount of light
7%
Difference in the direction of wind flow
Mendel conducted his famous breeding experiments by working on the following:
Anonymous Quiz
7%
Drosophila
5%
Escherichia Coli
66%
Pisum Sativum
22%
All of these
Which section of DNA provides information for one protein?
Anonymous Quiz
11%
Nucleus
34%
Chromosome
8%
Trait
47%
Gene
Which of the following is an example of genetic variation?
Anonymous Quiz
8%
One person has a scar, but his friend doesn’t
6%
One person is older than the other
8%
Reeta eats meat, but her sister Geeta is a vegetarian
79%
Two children have different eye colour
First Flight _ Short Notes __ WARRIOR SERIES CLASS-10TH.pdf
7.4 MB
In peas, a pure tall (TT) is crossed with a pure short plant(tt). The ratio of pure tall plants to pure short plants in the F2 generation is:
Anonymous Quiz
12%
1:3
55%
3:1
27%
1:1
6%
2:1
Humans have two different sex chromosomes, X and Y. Based on Mendel’s laws, a male offspring will inherit which combination of chromosomes?
Anonymous Quiz
12%
Both the X chromosomes from one of its parents
11%
Both the Y chromosomes from one of its parents
9%
A combination of X chromosomes from either of its parents
67%
A combination of X and Y chromosomes from either of its parents
Miller and Urey performed an experiment to prove the origin of life from organic compounds. The gases they took were:
Anonymous Quiz
34%
Methane, ethane, ammonia, water vapour
28%
Methane, ethane, hydrogen, ammonia
20%
Ammonia, water vapour, butane, hydrogen
18%
Methane, ammonia, hydrogen, water vapour
Which of the following is a pair of analogous organs?
Anonymous Quiz
28%
Wings of a pigeon and a bat
23%
Forelimbs of a frog and a bird
19%
Forelimbs of a rabbit and a lizard
29%
Leaves of a pitcher plant and a Venus fly trap
Footprints_Without_Feet_Short_Notes_WARRIOR_SERIES_CLASS_10TH.pdf
9.2 MB
Handwritten Notes of Footprints Without Feet Complete Literature 👈 | ENGLISH | Class 10 Boards 💯 | All Chapters Covered 🎯
✔️ Plot and Theme
✔️ Glossary
✔️ Short Summary
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✔️ Chapter wise Questions and Answers
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✔️ Plot and Theme
✔️ Glossary
✔️ Short Summary
✔️ Conclusion
✔️ Chapter wise Questions and Answers
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