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CBSE - X - Chemistry
Write the number of periods the modern periodic table has state the changes in metallic character and atomic size of elements as we move from left to right in a period .Also state the changes if any in the valency and atomic size of elements as we move down a group
Asked by ansarihalim414
14th December 2018,
8:22 PM
CBSE - X - Hindi
गोपियों द्वारा उद्धव को भाग्यवान कहने में क्या व्यंग्य ननहहत है?
Asked by Yashjain0224
14th December 2018,
7:59 PM
CBSE - X - Mathematics
a vessel is in the form of an inverted cone its height is8cm and radius of top which is open is 5cm . it is filled up with water up to brim when lead short each of which is the sphere of radius 0.5 cm are dropped into the vessal 1/4th of water flows out. find the no of lead short droped in vessal.
Asked by vikramjsingh53
14th December 2018,
5:33 PM
CBSE - X - Physics
Q.1. Which one is an electromagnetic wave out of sound waves X-Rays, Infrared rays & repulse in water? Q.2. Why are many thermal power plants setup near coal & oil fields?
Asked by agraharianiruddha
14th December 2018,
3:00 PM
CBSE - X - Mathematics
If p(x) = x^2 + ax + b such that p(x) = 0 and p(p(p(x))) = 0 have equal root then find the integral value of p(0).p(1).
Asked by acv27joy
14th December 2018,
2:46 PM
CBSE - X - Mathematics
Let ABCD and EFGH be two square each of side length 12 cm and are placed such that the corner of one lies at the centre of another. Let E coincide with centre of ABCD and C coincide with centre of EFGH. Let the squares in the above situation forms a quadrilateral EJCK, such J is a point on BC and K is a point on CD.If the length of BJ is 3 cm find the area of EJCK.
Asked by acv27joy
14th December 2018,
2:41 PM
CBSE - X - Mathematics
If x,y,z are real numbers satisfying the system, log_2[(xyz-3+log_5 x)] = 5 log_3[(xyz-3+log_5 y)] = 4 log_4[(xyz-3+log_5 z)] = 4 , find mod(log_5 x) + mod(log_5 y) + mod(log_5 z). (log_n k means logarithm of k to the base n)
Asked by acv27joy
14th December 2018,
2:35 PM
CBSE - X - Mathematics
Asked by bhattjeewanti9999
14th December 2018,
11:12 AM
CBSE - X - Physics
an object is placed 10 cm from a convex mirror of radius of curvature 60 cm then find position of image
Asked by 02shubhamkj
13th December 2018,
8:26 PM
CBSE - X - Physics
An object is placed at a distance of 12cm in front of a concave mirror.It forms a real image 4 times larger than the object. Calculate the distance of the image from the mirror.
Asked by 02shubhamkj
13th December 2018,
8:19 PM
