An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be
in front of a plane mirror. The distance between the object and image will be
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47%
0.25m
19%
1.0m
29%
0.5m
6%
1.25m
π±7π5π€3
The angle of incidence for a ray of light having zero reflection angle is
Anonymous Quiz
55%
0
16%
30
11%
45
18%
90
π4π₯2
A concave mirror of radius 30 cm is placed in water. Itβs focal length in air and water differ by
Anonymous Quiz
40%
15
23%
20
23%
30
13%
0
π’4π3π2π₯2
A concave mirror of focal length 20 cm forms an image having twice the size of object. For the virtual position of object, the position of object will be at
Anonymous Quiz
17%
25cm
37%
40cm
22%
10cm
24%
Infinty
π4π₯2
if a manβs face is 25 cm in front of concave shaving mirror producing erect image 1.5 times the size of face, focal length of the mirror would be
Anonymous Quiz
27%
75cm
39%
25cm
26%
15cm
9%
60cm
π9π±9π’3π3π€2β€1π₯°1π1π1
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π1π1
In which mode of nutrition an organism de-rives its food from the body of another living organism without killing it?
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31%
Parasatic
36%
Saprophytic
19%
Holozoic
14%
Autotrophic
π₯°6π3π2
The mode of nutrition found in fungi is:
Anonymous Quiz
24%
Parasatic
16%
Holozoic
45%
Saprophytic
15%
Autotrophic
π₯7π1π1
Roots of the plants absorb water from the soil through the process of:
Anonymous Quiz
20%
Diffusion
48%
Transpiration
27%
Osmosis
5%
None
β€7π4
In amoeba, food is digested in the:
Anonymous Quiz
40%
Food vacoule
26%
Mitochondria
25%
Lysosome
9%
None
π9π₯2
π€©17β€4π3π3
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Focus ΰ€ΰ€° ΰ€¨ΰ€Ήΰ₯ΰ€ ΰ€ͺΰ€Ύ ΰ€°ΰ€Ήΰ₯ ΰ€Ήΰ₯ ΰ€€ΰ₯ ΰ€ΰ€Έΰ₯ ΰ€¦ΰ₯ΰ€ΰ₯ | Focus | Motivational video in hindi
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Cogulation of blood in a cut or wound is brought about by
Anonymous Quiz
22%
Plasam
51%
Platelets
12%
Wbc
15%
RBC
π7π₯2π2
The excretory unit in the human excretory system is called
Anonymous Quiz
47%
Nephron
17%
Neuron
8%
Heart
28%
Kidneyon
π₯4β€2π2π1
The excretory organs in a earthworm are
Anonymous Quiz
26%
Nephridia
22%
Nephron
36%
Raphiles
16%
Ureters
π€6π₯4π1