Which of the following is correct?
Anonymous Quiz
30%
Arthropods constitute around 67% of total animal species
33%
Arthropods constitute around 67% of all named species on earth
19%
Arthropods constitute around 80% of total animal species
19%
Arthropods constitute around 80% of all named species on earth
Which of the following statements is incorrect For a ring Rolling on a horizontal plane?
Anonymous Quiz
13%
Instantaneous velocity of the point in contact with the ground is zero.
20%
The Instantaneous velocity of the highest point at any instant is twice the velocity of the Centre.
26%
The velocity at any point on the rim Varies from twice the velocity of Centre to zero.
41%
Instantaneous acceleration of the point in contact with the ground is zero.
A bullet of mass 10 g and speed 500 m/s is fired into a door and gets embedded exactly at the center of the door. The door is 1.0 m wide and weighs 12 kg. It is hinged at one end and rotates about a vertical axis practically without friction.
Find the angular speed of the door just after the bullet embeds into it. (Rad/s)
Anonymous Quiz
16%
0.525
48%
0.625
24%
0.725
12%
0.825
Which of the following forms of tin is stable at room temperature?
Anonymous Quiz
18%
Alpha tin
37%
Beta tin
30%
Both A and B
16%
None of these is stable at room temperature
Guys we(Me and Devanshu)are going to introduce you to the third member of the team today. Some of you may be knowing him. His name is Sayak Biswas. He is currently a student at AIIMS-Delhi. His achievements are,
NEET AIR 44, KVPY AIR 101, NTSE Scholar, INBO Qualified, ANTHE AIR 7.
Please be ready for the voice call at 8pm today!
(Informing in advance coz many of you missed last time.)
NEET AIR 44, KVPY AIR 101, NTSE Scholar, INBO Qualified, ANTHE AIR 7.
Please be ready for the voice call at 8pm today!
(Informing in advance coz many of you missed last time.)
Excretion in a Echinoderms occurs by,
Anonymous Quiz
14%
Preen Glands
18%
Coxal Glands
11%
Gills
57%
Absent
Select the incorrect statement,
Anonymous Quiz
11%
All ctenophores are marine
17%
All echinoderms are marine
26%
All cephalochordates are marine
47%
None of these is incorrect
It is said that Cavendish weighed the earth because,
Anonymous Quiz
18%
He found out the value of g.
40%
He found out the value of G.
21%
He found out the mass of Earth.
21%
He calculated the force on Earth by Sun.
According to 3rd law of Kepler the square of time period of a planet revolving around sun is directly proportional to cube of semi major axis of the path traced by planet. What is this constant ratio of square of time period to cube of semi major axis?
Anonymous Quiz
31%
1
24%
2
36%
3
8%
4